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Finding the Fourth Proportional to 322,951.60, 484,371.51 and 98,257.60

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Solution

The fourth proportional to 322,951.60, 484,371.51 and 98,257.60 is: 147,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,951.60 : 484,371.51 = 98,257.60 : x
  2. Step 2: Convert to fraction form
    322,951.60/484,371.51 = 98,257.60/x
  3. Step 3: Cross multiply
    322,951.60x = 484,371.51 × 98,257.60
  4. Step 4: Simplify right side
    322,951.60x = 47,593,182,080.98
  5. Step 5: Solve for x
    x = 47,593,182,080.98/322,951.60
  6. Step 6: Final answer
    x = 147,369.40

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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.