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Finding the Fourth Proportional to 587,086.60, 880,046.70 and 270,992.20

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Solution

The fourth proportional to 587,086.60, 880,046.70 and 270,992.20 is: 406,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,086.60 : 880,046.70 = 270,992.20 : x
  2. Step 2: Convert to fraction form
    587,086.60/880,046.70 = 270,992.20/x
  3. Step 3: Cross multiply
    587,086.60x = 880,046.70 × 270,992.20
  4. Step 4: Simplify right side
    587,086.60x = 238,485,791,335.74
  5. Step 5: Solve for x
    x = 238,485,791,335.74/587,086.60
  6. Step 6: Final answer
    x = 406,219.10

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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.