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Finding the Fourth Proportional to 541,070.76, 746,916.80 and 323,356.24

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Solution

The fourth proportional to 541,070.76, 746,916.80 and 323,356.24 is: 446,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,070.76 : 746,916.80 = 323,356.24 : x
  2. Step 2: Convert to fraction form
    541,070.76/746,916.80 = 323,356.24/x
  3. Step 3: Cross multiply
    541,070.76x = 746,916.80 × 323,356.24
  4. Step 4: Simplify right side
    541,070.76x = 241,520,208,040.83
  5. Step 5: Solve for x
    x = 241,520,208,040.83/541,070.76
  6. Step 6: Final answer
    x = 446,374.53

Related Problems

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Half scale
Find fourth proportional to 1,082,141.52, 1,493,833.60 and 646,712.48
Double scale
Find fourth proportional to 541,071.76, 746,918.18 and 323,357.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.