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Finding the Fourth Proportional to 503,813.20, 755,892.60 and 223,531.60

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Solution

The fourth proportional to 503,813.20, 755,892.60 and 223,531.60 is: 335,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,813.20 : 755,892.60 = 223,531.60 : x
  2. Step 2: Convert to fraction form
    503,813.20/755,892.60 = 223,531.60/x
  3. Step 3: Cross multiply
    503,813.20x = 755,892.60 × 223,531.60
  4. Step 4: Simplify right side
    503,813.20x = 168,965,882,306.16
  5. Step 5: Solve for x
    x = 168,965,882,306.16/503,813.20
  6. Step 6: Final answer
    x = 335,374.07

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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.