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Finding the Fourth Proportional to 561,842.98, 842,789.07 and 162,524.11

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Solution

The fourth proportional to 561,842.98, 842,789.07 and 162,524.11 is: 243,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,842.98 : 842,789.07 = 162,524.11 : x
  2. Step 2: Convert to fraction form
    561,842.98/842,789.07 = 162,524.11/x
  3. Step 3: Cross multiply
    561,842.98x = 842,789.07 × 162,524.11
  4. Step 4: Simplify right side
    561,842.98x = 136,973,543,519.48
  5. Step 5: Solve for x
    x = 136,973,543,519.48/561,842.98
  6. Step 6: Final answer
    x = 243,793.28

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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.