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Finding the Fourth Proportional to 541,098.95, 746,576.44 and 323,218.47

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Solution

The fourth proportional to 541,098.95, 746,576.44 and 323,218.47 is: 445,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,098.95 : 746,576.44 = 323,218.47 : x
  2. Step 2: Convert to fraction form
    541,098.95/746,576.44 = 323,218.47/x
  3. Step 3: Cross multiply
    541,098.95x = 746,576.44 × 323,218.47
  4. Step 4: Simplify right side
    541,098.95x = 241,307,293,866.80
  5. Step 5: Solve for x
    x = 241,307,293,866.80/541,098.95
  6. Step 6: Final answer
    x = 445,957.79

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Double scale
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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.