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Finding the Fourth Proportional to 461,701.38, 637,413 and 351,944.10

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Solution

The fourth proportional to 461,701.38, 637,413 and 351,944.10 is: 485,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,701.38 : 637,413 = 351,944.10 : x
  2. Step 2: Convert to fraction form
    461,701.38/637,413 = 351,944.10/x
  3. Step 3: Cross multiply
    461,701.38x = 637,413 × 351,944.10
  4. Step 4: Simplify right side
    461,701.38x = 224,333,744,613.30
  5. Step 5: Solve for x
    x = 224,333,744,613.30/461,701.38
  6. Step 6: Final answer
    x = 485,884.93

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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.