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Finding the Fourth Proportional to 503,758.96, 755,933.68 and 361,450.87

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Solution

The fourth proportional to 503,758.96, 755,933.68 and 361,450.87 is: 542,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,758.96 : 755,933.68 = 361,450.87 : x
  2. Step 2: Convert to fraction form
    503,758.96/755,933.68 = 361,450.87/x
  3. Step 3: Cross multiply
    503,758.96x = 755,933.68 × 361,450.87
  4. Step 4: Simplify right side
    503,758.96x = 273,232,884,860.28
  5. Step 5: Solve for x
    x = 273,232,884,860.28/503,758.96
  6. Step 6: Final answer
    x = 542,388.14

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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.