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Finding the Fourth Proportional to 665,535.60, 998,401.68 and 244,780.56

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Solution

The fourth proportional to 665,535.60, 998,401.68 and 244,780.56 is: 367,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,535.60 : 998,401.68 = 244,780.56 : x
  2. Step 2: Convert to fraction form
    665,535.60/998,401.68 = 244,780.56/x
  3. Step 3: Cross multiply
    665,535.60x = 998,401.68 × 244,780.56
  4. Step 4: Simplify right side
    665,535.60x = 244,389,322,335.34
  5. Step 5: Solve for x
    x = 244,389,322,335.34/665,535.60
  6. Step 6: Final answer
    x = 367,206.99

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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.