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Finding the Fourth Proportional to 461,344.72, 636,655.80 and 260,140.72

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Solution

The fourth proportional to 461,344.72, 636,655.80 and 260,140.72 is: 358,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,344.72 : 636,655.80 = 260,140.72 : x
  2. Step 2: Convert to fraction form
    461,344.72/636,655.80 = 260,140.72/x
  3. Step 3: Cross multiply
    461,344.72x = 636,655.80 × 260,140.72
  4. Step 4: Simplify right side
    461,344.72x = 165,620,098,204.18
  5. Step 5: Solve for x
    x = 165,620,098,204.18/461,344.72
  6. Step 6: Final answer
    x = 358,994.24

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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.