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Finding the Fourth Proportional to 574,366.72, 861,943.80 and 200,389.72

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Solution

The fourth proportional to 574,366.72, 861,943.80 and 200,389.72 is: 300,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,366.72 : 861,943.80 = 200,389.72 : x
  2. Step 2: Convert to fraction form
    574,366.72/861,943.80 = 200,389.72/x
  3. Step 3: Cross multiply
    574,366.72x = 861,943.80 × 200,389.72
  4. Step 4: Simplify right side
    574,366.72x = 172,724,676,737.74
  5. Step 5: Solve for x
    x = 172,724,676,737.74/574,366.72
  6. Step 6: Final answer
    x = 300,721.94

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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.