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Finding the Fourth Proportional to 322,123.60, 482,724.60 and 237,221.20

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Solution

The fourth proportional to 322,123.60, 482,724.60 and 237,221.20 is: 355,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,123.60 : 482,724.60 = 237,221.20 : x
  2. Step 2: Convert to fraction form
    322,123.60/482,724.60 = 237,221.20/x
  3. Step 3: Cross multiply
    322,123.60x = 482,724.60 × 237,221.20
  4. Step 4: Simplify right side
    322,123.60x = 114,512,508,881.52
  5. Step 5: Solve for x
    x = 114,512,508,881.52/322,123.60
  6. Step 6: Final answer
    x = 355,492.45

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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.