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Finding the Fourth Proportional to 394,499.70, 591,749.55 and 244,908.90

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Solution

The fourth proportional to 394,499.70, 591,749.55 and 244,908.90 is: 367,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,499.70 : 591,749.55 = 244,908.90 : x
  2. Step 2: Convert to fraction form
    394,499.70/591,749.55 = 244,908.90/x
  3. Step 3: Cross multiply
    394,499.70x = 591,749.55 × 244,908.90
  4. Step 4: Simplify right side
    394,499.70x = 144,924,731,366.00
  5. Step 5: Solve for x
    x = 144,924,731,366.00/394,499.70
  6. Step 6: Final answer
    x = 367,363.35

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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.