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Finding the Fourth Proportional to 448,790.73, 619,255.02 and 267,499.36

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Solution

The fourth proportional to 448,790.73, 619,255.02 and 267,499.36 is: 369,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,790.73 : 619,255.02 = 267,499.36 : x
  2. Step 2: Convert to fraction form
    448,790.73/619,255.02 = 267,499.36/x
  3. Step 3: Cross multiply
    448,790.73x = 619,255.02 × 267,499.36
  4. Step 4: Simplify right side
    448,790.73x = 165,650,321,526.79
  5. Step 5: Solve for x
    x = 165,650,321,526.79/448,790.73
  6. Step 6: Final answer
    x = 369,103.71

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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.