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Finding the Fourth Proportional to 574,456.60, 861,723.30 and 195,371.80

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Solution

The fourth proportional to 574,456.60, 861,723.30 and 195,371.80 is: 293,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,456.60 : 861,723.30 = 195,371.80 : x
  2. Step 2: Convert to fraction form
    574,456.60/861,723.30 = 195,371.80/x
  3. Step 3: Cross multiply
    574,456.60x = 861,723.30 × 195,371.80
  4. Step 4: Simplify right side
    574,456.60x = 168,356,432,222.94
  5. Step 5: Solve for x
    x = 168,356,432,222.94/574,456.60
  6. Step 6: Final answer
    x = 293,070.76

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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.