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Finding the Fourth Proportional to 461,522.88, 636,543.36 and 291,695.04

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Solution

The fourth proportional to 461,522.88, 636,543.36 and 291,695.04 is: 402,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,522.88 : 636,543.36 = 291,695.04 : x
  2. Step 2: Convert to fraction form
    461,522.88/636,543.36 = 291,695.04/x
  3. Step 3: Cross multiply
    461,522.88x = 636,543.36 × 291,695.04
  4. Step 4: Simplify right side
    461,522.88x = 185,676,540,856.93
  5. Step 5: Solve for x
    x = 185,676,540,856.93/461,522.88
  6. Step 6: Final answer
    x = 402,312.75

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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.