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Finding the Fourth Proportional to 649,058.52, 896,565.12 and 522,212.52

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Solution

The fourth proportional to 649,058.52, 896,565.12 and 522,212.52 is: 721,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,058.52 : 896,565.12 = 522,212.52 : x
  2. Step 2: Convert to fraction form
    649,058.52/896,565.12 = 522,212.52/x
  3. Step 3: Cross multiply
    649,058.52x = 896,565.12 × 522,212.52
  4. Step 4: Simplify right side
    649,058.52x = 468,197,530,659.30
  5. Step 5: Solve for x
    x = 468,197,530,659.30/649,058.52
  6. Step 6: Final answer
    x = 721,348.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.