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Finding the Fourth Proportional to 550,898.80, 826,348.20 and 298,081.60

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Solution

The fourth proportional to 550,898.80, 826,348.20 and 298,081.60 is: 447,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,898.80 : 826,348.20 = 298,081.60 : x
  2. Step 2: Convert to fraction form
    550,898.80/826,348.20 = 298,081.60/x
  3. Step 3: Cross multiply
    550,898.80x = 826,348.20 × 298,081.60
  4. Step 4: Simplify right side
    550,898.80x = 246,319,193,613.12
  5. Step 5: Solve for x
    x = 246,319,193,613.12/550,898.80
  6. Step 6: Final answer
    x = 447,122.40

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Similar ratio
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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.