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Finding the Fourth Proportional to 582,489.60, 873,734.40 and 227,515.20

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Solution

The fourth proportional to 582,489.60, 873,734.40 and 227,515.20 is: 341,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,489.60 : 873,734.40 = 227,515.20 : x
  2. Step 2: Convert to fraction form
    582,489.60/873,734.40 = 227,515.20/x
  3. Step 3: Cross multiply
    582,489.60x = 873,734.40 × 227,515.20
  4. Step 4: Simplify right side
    582,489.60x = 198,787,856,762.88
  5. Step 5: Solve for x
    x = 198,787,856,762.88/582,489.60
  6. Step 6: Final answer
    x = 341,272.80

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Double scale
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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.