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Finding the Fourth Proportional to 665,343.60, 998,015.40 and 244,564.80

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Solution

The fourth proportional to 665,343.60, 998,015.40 and 244,564.80 is: 366,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,343.60 : 998,015.40 = 244,564.80 : x
  2. Step 2: Convert to fraction form
    665,343.60/998,015.40 = 244,564.80/x
  3. Step 3: Cross multiply
    665,343.60x = 998,015.40 × 244,564.80
  4. Step 4: Simplify right side
    665,343.60x = 244,079,436,697.92
  5. Step 5: Solve for x
    x = 244,079,436,697.92/665,343.60
  6. Step 6: Final answer
    x = 366,847.20

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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.