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Finding the Fourth Proportional to 695,913.20, 960,822.78 and 534,479.76

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Solution

The fourth proportional to 695,913.20, 960,822.78 and 534,479.76 is: 737,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,913.20 : 960,822.78 = 534,479.76 : x
  2. Step 2: Convert to fraction form
    695,913.20/960,822.78 = 534,479.76/x
  3. Step 3: Cross multiply
    695,913.20x = 960,822.78 × 534,479.76
  4. Step 4: Simplify right side
    695,913.20x = 513,540,328,856.93
  5. Step 5: Solve for x
    x = 513,540,328,856.93/695,913.20
  6. Step 6: Final answer
    x = 737,937.33

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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.