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Finding the Fourth Proportional to 363,204, 544,721.76 and 138,484.08

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Solution

The fourth proportional to 363,204, 544,721.76 and 138,484.08 is: 207,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,204 : 544,721.76 = 138,484.08 : x
  2. Step 2: Convert to fraction form
    363,204/544,721.76 = 138,484.08/x
  3. Step 3: Cross multiply
    363,204x = 544,721.76 × 138,484.08
  4. Step 4: Simplify right side
    363,204x = 75,435,291,789.58
  5. Step 5: Solve for x
    x = 75,435,291,789.58/363,204
  6. Step 6: Final answer
    x = 207,694.00

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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.