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Finding the Fourth Proportional to 494,153.48, 681,932.40 and 267,798.98

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Solution

The fourth proportional to 494,153.48, 681,932.40 and 267,798.98 is: 369,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,153.48 : 681,932.40 = 267,798.98 : x
  2. Step 2: Convert to fraction form
    494,153.48/681,932.40 = 267,798.98/x
  3. Step 3: Cross multiply
    494,153.48x = 681,932.40 × 267,798.98
  4. Step 4: Simplify right side
    494,153.48x = 182,620,801,148.95
  5. Step 5: Solve for x
    x = 182,620,801,148.95/494,153.48
  6. Step 6: Final answer
    x = 369,562.92

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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.