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Finding the Fourth Proportional to 296,267.60, 444,358.20 and 85,883.60

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Solution

The fourth proportional to 296,267.60, 444,358.20 and 85,883.60 is: 128,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,267.60 : 444,358.20 = 85,883.60 : x
  2. Step 2: Convert to fraction form
    296,267.60/444,358.20 = 85,883.60/x
  3. Step 3: Cross multiply
    296,267.60x = 444,358.20 × 85,883.60
  4. Step 4: Simplify right side
    296,267.60x = 38,163,081,905.52
  5. Step 5: Solve for x
    x = 38,163,081,905.52/296,267.60
  6. Step 6: Final answer
    x = 128,812.88

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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.