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Finding the Fourth Proportional to 561,924.78, 842,887.92 and 229,500.78

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Solution

The fourth proportional to 561,924.78, 842,887.92 and 229,500.78 is: 344,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,924.78 : 842,887.92 = 229,500.78 : x
  2. Step 2: Convert to fraction form
    561,924.78/842,887.92 = 229,500.78/x
  3. Step 3: Cross multiply
    561,924.78x = 842,887.92 × 229,500.78
  4. Step 4: Simplify right side
    561,924.78x = 193,443,435,092.58
  5. Step 5: Solve for x
    x = 193,443,435,092.58/561,924.78
  6. Step 6: Final answer
    x = 344,251.48

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1.5x scale

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.