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Finding the Fourth Proportional to 659,265.44, 988,898.12 and 238,442.88

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Solution

The fourth proportional to 659,265.44, 988,898.12 and 238,442.88 is: 357,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,265.44 : 988,898.12 = 238,442.88 : x
  2. Step 2: Convert to fraction form
    659,265.44/988,898.12 = 238,442.88/x
  3. Step 3: Cross multiply
    659,265.44x = 988,898.12 × 238,442.88
  4. Step 4: Simplify right side
    659,265.44x = 235,795,715,759.39
  5. Step 5: Solve for x
    x = 235,795,715,759.39/659,265.44
  6. Step 6: Final answer
    x = 357,664.31

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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.