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Finding the Fourth Proportional to 503,375.85, 754,965.34 and 187,769.88

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Solution

The fourth proportional to 503,375.85, 754,965.34 and 187,769.88 is: 281,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,375.85 : 754,965.34 = 187,769.88 : x
  2. Step 2: Convert to fraction form
    503,375.85/754,965.34 = 187,769.88/x
  3. Step 3: Cross multiply
    503,375.85x = 754,965.34 × 187,769.88
  4. Step 4: Simplify right side
    503,375.85x = 141,759,750,826.54
  5. Step 5: Solve for x
    x = 141,759,750,826.54/503,375.85
  6. Step 6: Final answer
    x = 281,618.10

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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.