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Finding the Fourth Proportional to 695,652.72, 1,041,154 and 396,052.88

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Solution

The fourth proportional to 695,652.72, 1,041,154 and 396,052.88 is: 592,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,652.72 : 1,041,154 = 396,052.88 : x
  2. Step 2: Convert to fraction form
    695,652.72/1,041,154 = 396,052.88/x
  3. Step 3: Cross multiply
    695,652.72x = 1,041,154 × 396,052.88
  4. Step 4: Simplify right side
    695,652.72x = 412,352,040,223.52
  5. Step 5: Solve for x
    x = 412,352,040,223.52/695,652.72
  6. Step 6: Final answer
    x = 592,755.59

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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.