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Finding the Fourth Proportional to 416,495.01, 574,333.54 and 356,265.03

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Solution

The fourth proportional to 416,495.01, 574,333.54 and 356,265.03 is: 491,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,495.01 : 574,333.54 = 356,265.03 : x
  2. Step 2: Convert to fraction form
    416,495.01/574,333.54 = 356,265.03/x
  3. Step 3: Cross multiply
    416,495.01x = 574,333.54 × 356,265.03
  4. Step 4: Simplify right side
    416,495.01x = 204,614,957,121.19
  5. Step 5: Solve for x
    x = 204,614,957,121.19/416,495.01
  6. Step 6: Final answer
    x = 491,278.29

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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.