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Finding the Fourth Proportional to 252,963.01, 378,764.54 and 192,704.41

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Solution

The fourth proportional to 252,963.01, 378,764.54 and 192,704.41 is: 288,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,963.01 : 378,764.54 = 192,704.41 : x
  2. Step 2: Convert to fraction form
    252,963.01/378,764.54 = 192,704.41/x
  3. Step 3: Cross multiply
    252,963.01x = 378,764.54 × 192,704.41
  4. Step 4: Simplify right side
    252,963.01x = 72,989,596,246.10
  5. Step 5: Solve for x
    x = 72,989,596,246.10/252,963.01
  6. Step 6: Final answer
    x = 288,538.61

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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.