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Finding the Fourth Proportional to 266,760.48, 399,696.48 and 187,708.62

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Solution

The fourth proportional to 266,760.48, 399,696.48 and 187,708.62 is: 281,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,760.48 : 399,696.48 = 187,708.62 : x
  2. Step 2: Convert to fraction form
    266,760.48/399,696.48 = 187,708.62/x
  3. Step 3: Cross multiply
    266,760.48x = 399,696.48 × 187,708.62
  4. Step 4: Simplify right side
    266,760.48x = 75,026,474,679.66
  5. Step 5: Solve for x
    x = 75,026,474,679.66/266,760.48
  6. Step 6: Final answer
    x = 281,250.34

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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.