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Finding the Fourth Proportional to 575,732.68, 861,801.92 and 424,100.72

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Solution

The fourth proportional to 575,732.68, 861,801.92 and 424,100.72 is: 634,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,732.68 : 861,801.92 = 424,100.72 : x
  2. Step 2: Convert to fraction form
    575,732.68/861,801.92 = 424,100.72/x
  3. Step 3: Cross multiply
    575,732.68x = 861,801.92 × 424,100.72
  4. Step 4: Simplify right side
    575,732.68x = 365,490,814,769.38
  5. Step 5: Solve for x
    x = 365,490,814,769.38/575,732.68
  6. Step 6: Final answer
    x = 634,827.29

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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.