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Finding the Fourth Proportional to 667,659.88, 1,001,642.46 and 224,427.88

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Solution

The fourth proportional to 667,659.88, 1,001,642.46 and 224,427.88 is: 336,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,659.88 : 1,001,642.46 = 224,427.88 : x
  2. Step 2: Convert to fraction form
    667,659.88/1,001,642.46 = 224,427.88/x
  3. Step 3: Cross multiply
    667,659.88x = 1,001,642.46 × 224,427.88
  4. Step 4: Simplify right side
    667,659.88x = 224,796,493,815.79
  5. Step 5: Solve for x
    x = 224,796,493,815.79/667,659.88
  6. Step 6: Final answer
    x = 336,693.13

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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.