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Finding the Fourth Proportional to 582,081.54, 873,122.52 and 261,859.38

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Solution

The fourth proportional to 582,081.54, 873,122.52 and 261,859.38 is: 392,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,081.54 : 873,122.52 = 261,859.38 : x
  2. Step 2: Convert to fraction form
    582,081.54/873,122.52 = 261,859.38/x
  3. Step 3: Cross multiply
    582,081.54x = 873,122.52 × 261,859.38
  4. Step 4: Simplify right side
    582,081.54x = 228,635,321,751.24
  5. Step 5: Solve for x
    x = 228,635,321,751.24/582,081.54
  6. Step 6: Final answer
    x = 392,789.16

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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.