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Finding the Fourth Proportional to 582,844.20, 874,007.10 and 267,397.80

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Solution

The fourth proportional to 582,844.20, 874,007.10 and 267,397.80 is: 400,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,844.20 : 874,007.10 = 267,397.80 : x
  2. Step 2: Convert to fraction form
    582,844.20/874,007.10 = 267,397.80/x
  3. Step 3: Cross multiply
    582,844.20x = 874,007.10 × 267,397.80
  4. Step 4: Simplify right side
    582,844.20x = 233,707,575,724.38
  5. Step 5: Solve for x
    x = 233,707,575,724.38/582,844.20
  6. Step 6: Final answer
    x = 400,977.78

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Double scale
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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.