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Finding the Fourth Proportional to 461,179.12, 636,185.12 and 375,234.20

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Solution

The fourth proportional to 461,179.12, 636,185.12 and 375,234.20 is: 517,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,179.12 : 636,185.12 = 375,234.20 : x
  2. Step 2: Convert to fraction form
    461,179.12/636,185.12 = 375,234.20/x
  3. Step 3: Cross multiply
    461,179.12x = 636,185.12 × 375,234.20
  4. Step 4: Simplify right side
    461,179.12x = 238,718,414,555.10
  5. Step 5: Solve for x
    x = 238,718,414,555.10/461,179.12
  6. Step 6: Final answer
    x = 517,626.24

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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.