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Finding the Fourth Proportional to 526,761.44, 726,932.71 and 285,044.01

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Solution

The fourth proportional to 526,761.44, 726,932.71 and 285,044.01 is: 393,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,761.44 : 726,932.71 = 285,044.01 : x
  2. Step 2: Convert to fraction form
    526,761.44/726,932.71 = 285,044.01/x
  3. Step 3: Cross multiply
    526,761.44x = 726,932.71 × 285,044.01
  4. Step 4: Simplify right side
    526,761.44x = 207,207,814,658.57
  5. Step 5: Solve for x
    x = 207,207,814,658.57/526,761.44
  6. Step 6: Final answer
    x = 393,361.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.