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Finding the Fourth Proportional to 503,758.49, 755,932.98 and 361,450.40

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Solution

The fourth proportional to 503,758.49, 755,932.98 and 361,450.40 is: 542,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,758.49 : 755,932.98 = 361,450.40 : x
  2. Step 2: Convert to fraction form
    503,758.49/755,932.98 = 361,450.40/x
  3. Step 3: Cross multiply
    503,758.49x = 755,932.98 × 361,450.40
  4. Step 4: Simplify right side
    503,758.49x = 273,232,279,884.02
  5. Step 5: Solve for x
    x = 273,232,279,884.02/503,758.49
  6. Step 6: Final answer
    x = 542,387.44

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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.