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Finding the Fourth Proportional to 550,338.72, 825,508.26 and 363,306.48

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Solution

The fourth proportional to 550,338.72, 825,508.26 and 363,306.48 is: 544,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,338.72 : 825,508.26 = 363,306.48 : x
  2. Step 2: Convert to fraction form
    550,338.72/825,508.26 = 363,306.48/x
  3. Step 3: Cross multiply
    550,338.72x = 825,508.26 × 363,306.48
  4. Step 4: Simplify right side
    550,338.72x = 299,912,500,151.53
  5. Step 5: Solve for x
    x = 299,912,500,151.53/550,338.72
  6. Step 6: Final answer
    x = 544,959.84

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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.