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Finding the Fourth Proportional to 503,760.71, 755,936.31 and 361,452.62

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Solution

The fourth proportional to 503,760.71, 755,936.31 and 361,452.62 is: 542,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,760.71 : 755,936.31 = 361,452.62 : x
  2. Step 2: Convert to fraction form
    503,760.71/755,936.31 = 361,452.62/x
  3. Step 3: Cross multiply
    503,760.71x = 755,936.31 × 361,452.62
  4. Step 4: Simplify right side
    503,760.71x = 273,235,159,802.63
  5. Step 5: Solve for x
    x = 273,235,159,802.63/503,760.71
  6. Step 6: Final answer
    x = 542,390.77

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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.