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Finding the Fourth Proportional to 658,967.81, 988,473.48 and 226,680.93

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Solution

The fourth proportional to 658,967.81, 988,473.48 and 226,680.93 is: 340,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,967.81 : 988,473.48 = 226,680.93 : x
  2. Step 2: Convert to fraction form
    658,967.81/988,473.48 = 226,680.93/x
  3. Step 3: Cross multiply
    658,967.81x = 988,473.48 × 226,680.93
  4. Step 4: Simplify right side
    658,967.81x = 224,068,086,876.68
  5. Step 5: Solve for x
    x = 224,068,086,876.68/658,967.81
  6. Step 6: Final answer
    x = 340,028.88

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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.