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Finding the Fourth Proportional to 652,659.24, 978,988.92 and 231,951.72

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Solution

The fourth proportional to 652,659.24, 978,988.92 and 231,951.72 is: 347,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,659.24 : 978,988.92 = 231,951.72 : x
  2. Step 2: Convert to fraction form
    652,659.24/978,988.92 = 231,951.72/x
  3. Step 3: Cross multiply
    652,659.24x = 978,988.92 × 231,951.72
  4. Step 4: Simplify right side
    652,659.24x = 227,078,163,854.94
  5. Step 5: Solve for x
    x = 227,078,163,854.94/652,659.24
  6. Step 6: Final answer
    x = 347,927.60

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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.