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Finding the Fourth Proportional to 574,053.68, 861,275.10 and 254,161.43

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Solution

The fourth proportional to 574,053.68, 861,275.10 and 254,161.43 is: 381,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,053.68 : 861,275.10 = 254,161.43 : x
  2. Step 2: Convert to fraction form
    574,053.68/861,275.10 = 254,161.43/x
  3. Step 3: Cross multiply
    574,053.68x = 861,275.10 × 254,161.43
  4. Step 4: Simplify right side
    574,053.68x = 218,902,906,733.02
  5. Step 5: Solve for x
    x = 218,902,906,733.02/574,053.68
  6. Step 6: Final answer
    x = 381,328.29

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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.