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Finding the Fourth Proportional to 566,560.80, 847,872.90 and 519,321.60

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Solution

The fourth proportional to 566,560.80, 847,872.90 and 519,321.60 is: 777,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,560.80 : 847,872.90 = 519,321.60 : x
  2. Step 2: Convert to fraction form
    566,560.80/847,872.90 = 519,321.60/x
  3. Step 3: Cross multiply
    566,560.80x = 847,872.90 × 519,321.60
  4. Step 4: Simplify right side
    566,560.80x = 440,318,711,024.64
  5. Step 5: Solve for x
    x = 440,318,711,024.64/566,560.80
  6. Step 6: Final answer
    x = 777,178.21

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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.