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Finding the Fourth Proportional to 659,253.56, 988,293.84 and 238,435.88

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Solution

The fourth proportional to 659,253.56, 988,293.84 and 238,435.88 is: 357,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,253.56 : 988,293.84 = 238,435.88 : x
  2. Step 2: Convert to fraction form
    659,253.56/988,293.84 = 238,435.88/x
  3. Step 3: Cross multiply
    659,253.56x = 988,293.84 × 238,435.88
  4. Step 4: Simplify right side
    659,253.56x = 235,644,711,438.98
  5. Step 5: Solve for x
    x = 235,644,711,438.98/659,253.56
  6. Step 6: Final answer
    x = 357,441.70

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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.