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Finding the Fourth Proportional to 296,469.60, 444,769.20 and 146,781.60

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Solution

The fourth proportional to 296,469.60, 444,769.20 and 146,781.60 is: 220,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,469.60 : 444,769.20 = 146,781.60 : x
  2. Step 2: Convert to fraction form
    296,469.60/444,769.20 = 146,781.60/x
  3. Step 3: Cross multiply
    296,469.60x = 444,769.20 × 146,781.60
  4. Step 4: Simplify right side
    296,469.60x = 65,283,934,806.72
  5. Step 5: Solve for x
    x = 65,283,934,806.72/296,469.60
  6. Step 6: Final answer
    x = 220,204.48

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1.5x scale

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.