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Finding the Fourth Proportional to 582,086.04, 873,129.27 and 261,863.88

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Solution

The fourth proportional to 582,086.04, 873,129.27 and 261,863.88 is: 392,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,086.04 : 873,129.27 = 261,863.88 : x
  2. Step 2: Convert to fraction form
    582,086.04/873,129.27 = 261,863.88/x
  3. Step 3: Cross multiply
    582,086.04x = 873,129.27 × 261,863.88
  4. Step 4: Simplify right side
    582,086.04x = 228,641,018,383.77
  5. Step 5: Solve for x
    x = 228,641,018,383.77/582,086.04
  6. Step 6: Final answer
    x = 392,795.91

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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.