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Finding the Fourth Proportional to 561,436.80, 842,396.45 and 182,473.71

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Solution

The fourth proportional to 561,436.80, 842,396.45 and 182,473.71 is: 273,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,436.80 : 842,396.45 = 182,473.71 : x
  2. Step 2: Convert to fraction form
    561,436.80/842,396.45 = 182,473.71/x
  3. Step 3: Cross multiply
    561,436.80x = 842,396.45 × 182,473.71
  4. Step 4: Simplify right side
    561,436.80x = 153,715,204,609.96
  5. Step 5: Solve for x
    x = 153,715,204,609.96/561,436.80
  6. Step 6: Final answer
    x = 273,788.97

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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.