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Finding the Fourth Proportional to 587,291.20, 880,936.80 and 410,144.20

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Solution

The fourth proportional to 587,291.20, 880,936.80 and 410,144.20 is: 615,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,291.20 : 880,936.80 = 410,144.20 : x
  2. Step 2: Convert to fraction form
    587,291.20/880,936.80 = 410,144.20/x
  3. Step 3: Cross multiply
    587,291.20x = 880,936.80 × 410,144.20
  4. Step 4: Simplify right side
    587,291.20x = 361,311,119,086.56
  5. Step 5: Solve for x
    x = 361,311,119,086.56/587,291.20
  6. Step 6: Final answer
    x = 615,216.30

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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.