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Finding the Fourth Proportional to 582,076.53, 873,115.02 and 261,854.36

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Solution

The fourth proportional to 582,076.53, 873,115.02 and 261,854.36 is: 392,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,076.53 : 873,115.02 = 261,854.36 : x
  2. Step 2: Convert to fraction form
    582,076.53/873,115.02 = 261,854.36/x
  3. Step 3: Cross multiply
    582,076.53x = 873,115.02 × 261,854.36
  4. Step 4: Simplify right side
    582,076.53x = 228,628,970,402.91
  5. Step 5: Solve for x
    x = 228,628,970,402.91/582,076.53
  6. Step 6: Final answer
    x = 392,781.63

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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.