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Finding the Fourth Proportional to 322,276.60, 482,954.10 and 237,374.20

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Solution

The fourth proportional to 322,276.60, 482,954.10 and 237,374.20 is: 355,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,276.60 : 482,954.10 = 237,374.20 : x
  2. Step 2: Convert to fraction form
    322,276.60/482,954.10 = 237,374.20/x
  3. Step 3: Cross multiply
    322,276.60x = 482,954.10 × 237,374.20
  4. Step 4: Simplify right side
    322,276.60x = 114,640,843,124.22
  5. Step 5: Solve for x
    x = 114,640,843,124.22/322,276.60
  6. Step 6: Final answer
    x = 355,721.90

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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.