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Finding the Fourth Proportional to 587,078.60, 880,034.70 and 270,984.20

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Solution

The fourth proportional to 587,078.60, 880,034.70 and 270,984.20 is: 406,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,078.60 : 880,034.70 = 270,984.20 : x
  2. Step 2: Convert to fraction form
    587,078.60/880,034.70 = 270,984.20/x
  3. Step 3: Cross multiply
    587,078.60x = 880,034.70 × 270,984.20
  4. Step 4: Simplify right side
    587,078.60x = 238,475,499,151.74
  5. Step 5: Solve for x
    x = 238,475,499,151.74/587,078.60
  6. Step 6: Final answer
    x = 406,207.11

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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.