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Finding the Fourth Proportional to 886,508.10, 1,327,793.85 and 729,044.10

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Solution

The fourth proportional to 886,508.10, 1,327,793.85 and 729,044.10 is: 1,091,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,508.10 : 1,327,793.85 = 729,044.10 : x
  2. Step 2: Convert to fraction form
    886,508.10/1,327,793.85 = 729,044.10/x
  3. Step 3: Cross multiply
    886,508.10x = 1,327,793.85 × 729,044.10
  4. Step 4: Simplify right side
    886,508.10x = 968,020,272,358.79
  5. Step 5: Solve for x
    x = 968,020,272,358.79/886,508.10
  6. Step 6: Final answer
    x = 1,091,947.46

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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.