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Finding the Fourth Proportional to 279,008.60, 418,512.90 and 244,016.60

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Solution

The fourth proportional to 279,008.60, 418,512.90 and 244,016.60 is: 366,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,008.60 : 418,512.90 = 244,016.60 : x
  2. Step 2: Convert to fraction form
    279,008.60/418,512.90 = 244,016.60/x
  3. Step 3: Cross multiply
    279,008.60x = 418,512.90 × 244,016.60
  4. Step 4: Simplify right side
    279,008.60x = 102,124,094,914.14
  5. Step 5: Solve for x
    x = 102,124,094,914.14/279,008.60
  6. Step 6: Final answer
    x = 366,024.90

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Similar ratio
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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.