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Finding the Fourth Proportional to 653,781.92, 980,830.96 and 227,256.17

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Solution

The fourth proportional to 653,781.92, 980,830.96 and 227,256.17 is: 340,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,781.92 : 980,830.96 = 227,256.17 : x
  2. Step 2: Convert to fraction form
    653,781.92/980,830.96 = 227,256.17/x
  3. Step 3: Cross multiply
    653,781.92x = 980,830.96 × 227,256.17
  4. Step 4: Simplify right side
    653,781.92x = 222,899,881,914.73
  5. Step 5: Solve for x
    x = 222,899,881,914.73/653,781.92
  6. Step 6: Final answer
    x = 340,939.20

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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.