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Finding the Fourth Proportional to 647,229.24, 970,984.17 and 247,870.08

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Solution

The fourth proportional to 647,229.24, 970,984.17 and 247,870.08 is: 371,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,229.24 : 970,984.17 = 247,870.08 : x
  2. Step 2: Convert to fraction form
    647,229.24/970,984.17 = 247,870.08/x
  3. Step 3: Cross multiply
    647,229.24x = 970,984.17 × 247,870.08
  4. Step 4: Simplify right side
    647,229.24x = 240,677,923,896.63
  5. Step 5: Solve for x
    x = 240,677,923,896.63/647,229.24
  6. Step 6: Final answer
    x = 371,858.85

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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.