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Finding the Fourth Proportional to 637,691.85, 956,510.10 and 238,336.08

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Solution

The fourth proportional to 637,691.85, 956,510.10 and 238,336.08 is: 357,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,691.85 : 956,510.10 = 238,336.08 : x
  2. Step 2: Convert to fraction form
    637,691.85/956,510.10 = 238,336.08/x
  3. Step 3: Cross multiply
    637,691.85x = 956,510.10 × 238,336.08
  4. Step 4: Simplify right side
    637,691.85x = 227,970,867,714.41
  5. Step 5: Solve for x
    x = 227,970,867,714.41/637,691.85
  6. Step 6: Final answer
    x = 357,493.78

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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.