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Finding the Fourth Proportional to 544,061.40, 816,092.10 and 331,171.80

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Solution

The fourth proportional to 544,061.40, 816,092.10 and 331,171.80 is: 496,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,061.40 : 816,092.10 = 331,171.80 : x
  2. Step 2: Convert to fraction form
    544,061.40/816,092.10 = 331,171.80/x
  3. Step 3: Cross multiply
    544,061.40x = 816,092.10 × 331,171.80
  4. Step 4: Simplify right side
    544,061.40x = 270,266,689,722.78
  5. Step 5: Solve for x
    x = 270,266,689,722.78/544,061.40
  6. Step 6: Final answer
    x = 496,757.70

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Similar ratio
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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.