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Finding the Fourth Proportional to 587,270.80, 880,906.20 and 547,613.20

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Solution

The fourth proportional to 587,270.80, 880,906.20 and 547,613.20 is: 821,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,270.80 : 880,906.20 = 547,613.20 : x
  2. Step 2: Convert to fraction form
    587,270.80/880,906.20 = 547,613.20/x
  3. Step 3: Cross multiply
    587,270.80x = 880,906.20 × 547,613.20
  4. Step 4: Simplify right side
    587,270.80x = 482,395,863,081.84
  5. Step 5: Solve for x
    x = 482,395,863,081.84/587,270.80
  6. Step 6: Final answer
    x = 821,419.80

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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.