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Finding the Fourth Proportional to 573,743.70, 860,615.55 and 482,505.30

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Solution

The fourth proportional to 573,743.70, 860,615.55 and 482,505.30 is: 723,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,743.70 : 860,615.55 = 482,505.30 : x
  2. Step 2: Convert to fraction form
    573,743.70/860,615.55 = 482,505.30/x
  3. Step 3: Cross multiply
    573,743.70x = 860,615.55 × 482,505.30
  4. Step 4: Simplify right side
    573,743.70x = 415,251,564,137.42
  5. Step 5: Solve for x
    x = 415,251,564,137.42/573,743.70
  6. Step 6: Final answer
    x = 723,757.95

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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.