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Finding the Fourth Proportional to 573,614.10, 860,421.15 and 363,489.30

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Solution

The fourth proportional to 573,614.10, 860,421.15 and 363,489.30 is: 545,233.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,614.10 : 860,421.15 = 363,489.30 : x
  2. Step 2: Convert to fraction form
    573,614.10/860,421.15 = 363,489.30/x
  3. Step 3: Cross multiply
    573,614.10x = 860,421.15 × 363,489.30
  4. Step 4: Simplify right side
    573,614.10x = 312,753,881,518.70
  5. Step 5: Solve for x
    x = 312,753,881,518.70/573,614.10
  6. Step 6: Final answer
    x = 545,233.95

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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.