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Finding the Fourth Proportional to 637,641.16, 956,428.68 and 238,250.38

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Solution

The fourth proportional to 637,641.16, 956,428.68 and 238,250.38 is: 357,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,641.16 : 956,428.68 = 238,250.38 : x
  2. Step 2: Convert to fraction form
    637,641.16/956,428.68 = 238,250.38/x
  3. Step 3: Cross multiply
    637,641.16x = 956,428.68 × 238,250.38
  4. Step 4: Simplify right side
    637,641.16x = 227,869,496,452.90
  5. Step 5: Solve for x
    x = 227,869,496,452.90/637,641.16
  6. Step 6: Final answer
    x = 357,363.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.