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Finding the Fourth Proportional to 884,902.56, 1,221,167.88 and 482,494.56

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Solution

The fourth proportional to 884,902.56, 1,221,167.88 and 482,494.56 is: 665,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,902.56 : 1,221,167.88 = 482,494.56 : x
  2. Step 2: Convert to fraction form
    884,902.56/1,221,167.88 = 482,494.56/x
  3. Step 3: Cross multiply
    884,902.56x = 1,221,167.88 × 482,494.56
  4. Step 4: Simplify right side
    884,902.56x = 589,206,858,946.73
  5. Step 5: Solve for x
    x = 589,206,858,946.73/884,902.56
  6. Step 6: Final answer
    x = 665,843.77

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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.