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Finding the Fourth Proportional to 656,474.60, 984,711.90 and 551,498.60

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Solution

The fourth proportional to 656,474.60, 984,711.90 and 551,498.60 is: 827,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,474.60 : 984,711.90 = 551,498.60 : x
  2. Step 2: Convert to fraction form
    656,474.60/984,711.90 = 551,498.60/x
  3. Step 3: Cross multiply
    656,474.60x = 984,711.90 × 551,498.60
  4. Step 4: Simplify right side
    656,474.60x = 543,067,234,253.34
  5. Step 5: Solve for x
    x = 543,067,234,253.34/656,474.60
  6. Step 6: Final answer
    x = 827,247.90

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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.