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Finding the Fourth Proportional to 564,892.20, 847,338.84 and 397,162.80

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Solution

The fourth proportional to 564,892.20, 847,338.84 and 397,162.80 is: 595,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,892.20 : 847,338.84 = 397,162.80 : x
  2. Step 2: Convert to fraction form
    564,892.20/847,338.84 = 397,162.80/x
  3. Step 3: Cross multiply
    564,892.20x = 847,338.84 × 397,162.80
  4. Step 4: Simplify right side
    564,892.20x = 336,531,466,243.15
  5. Step 5: Solve for x
    x = 336,531,466,243.15/564,892.20
  6. Step 6: Final answer
    x = 595,744.58

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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.