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Finding the Fourth Proportional to 665,354.80, 998,032.20 and 244,543.60

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Solution

The fourth proportional to 665,354.80, 998,032.20 and 244,543.60 is: 366,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,354.80 : 998,032.20 = 244,543.60 : x
  2. Step 2: Convert to fraction form
    665,354.80/998,032.20 = 244,543.60/x
  3. Step 3: Cross multiply
    665,354.80x = 998,032.20 × 244,543.60
  4. Step 4: Simplify right side
    665,354.80x = 244,062,387,103.92
  5. Step 5: Solve for x
    x = 244,062,387,103.92/665,354.80
  6. Step 6: Final answer
    x = 366,815.40

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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.