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Finding the Fourth Proportional to 569,138.40, 853,124.40 and 332,359.20

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Solution

The fourth proportional to 569,138.40, 853,124.40 and 332,359.20 is: 498,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,138.40 : 853,124.40 = 332,359.20 : x
  2. Step 2: Convert to fraction form
    569,138.40/853,124.40 = 332,359.20/x
  3. Step 3: Cross multiply
    569,138.40x = 853,124.40 × 332,359.20
  4. Step 4: Simplify right side
    569,138.40x = 283,543,743,084.48
  5. Step 5: Solve for x
    x = 283,543,743,084.48/569,138.40
  6. Step 6: Final answer
    x = 498,198.23

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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.