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Finding the Fourth Proportional to 665,348.80, 998,023.20 and 244,537.60

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Solution

The fourth proportional to 665,348.80, 998,023.20 and 244,537.60 is: 366,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,348.80 : 998,023.20 = 244,537.60 : x
  2. Step 2: Convert to fraction form
    665,348.80/998,023.20 = 244,537.60/x
  3. Step 3: Cross multiply
    665,348.80x = 998,023.20 × 244,537.60
  4. Step 4: Simplify right side
    665,348.80x = 244,054,198,072.32
  5. Step 5: Solve for x
    x = 244,054,198,072.32/665,348.80
  6. Step 6: Final answer
    x = 366,806.40

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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.