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Finding the Fourth Proportional to 503,759.71, 755,934.81 and 361,451.62

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Solution

The fourth proportional to 503,759.71, 755,934.81 and 361,451.62 is: 542,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,759.71 : 755,934.81 = 361,451.62 : x
  2. Step 2: Convert to fraction form
    503,759.71/755,934.81 = 361,451.62/x
  3. Step 3: Cross multiply
    503,759.71x = 755,934.81 × 361,451.62
  4. Step 4: Simplify right side
    503,759.71x = 273,233,859,799.06
  5. Step 5: Solve for x
    x = 273,233,859,799.06/503,759.71
  6. Step 6: Final answer
    x = 542,389.27

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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.