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Finding the Fourth Proportional to 494,063.96, 681,807.58 and 267,709.46

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Solution

The fourth proportional to 494,063.96, 681,807.58 and 267,709.46 is: 369,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,063.96 : 681,807.58 = 267,709.46 : x
  2. Step 2: Convert to fraction form
    494,063.96/681,807.58 = 267,709.46/x
  3. Step 3: Cross multiply
    494,063.96x = 681,807.58 × 267,709.46
  4. Step 4: Simplify right side
    494,063.96x = 182,526,334,987.40
  5. Step 5: Solve for x
    x = 182,526,334,987.40/494,063.96
  6. Step 6: Final answer
    x = 369,438.68

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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.