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Finding the Fourth Proportional to 567,737.87, 850,905.54 and 487,209.80

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Solution

The fourth proportional to 567,737.87, 850,905.54 and 487,209.80 is: 730,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,737.87 : 850,905.54 = 487,209.80 : x
  2. Step 2: Convert to fraction form
    567,737.87/850,905.54 = 487,209.80/x
  3. Step 3: Cross multiply
    567,737.87x = 850,905.54 × 487,209.80
  4. Step 4: Simplify right side
    567,737.87x = 414,569,518,555.20
  5. Step 5: Solve for x
    x = 414,569,518,555.20/567,737.87
  6. Step 6: Final answer
    x = 730,212.90

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1.5x scale

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.