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Finding the Fourth Proportional to 373,591.80, 560,387.70 and 344,723.40

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Solution

The fourth proportional to 373,591.80, 560,387.70 and 344,723.40 is: 517,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,591.80 : 560,387.70 = 344,723.40 : x
  2. Step 2: Convert to fraction form
    373,591.80/560,387.70 = 344,723.40/x
  3. Step 3: Cross multiply
    373,591.80x = 560,387.70 × 344,723.40
  4. Step 4: Simplify right side
    373,591.80x = 193,178,753,262.18
  5. Step 5: Solve for x
    x = 193,178,753,262.18/373,591.80
  6. Step 6: Final answer
    x = 517,085.10

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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.