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Finding the Fourth Proportional to 448,504.68, 619,086.42 and 267,273.48

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Solution

The fourth proportional to 448,504.68, 619,086.42 and 267,273.48 is: 368,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,504.68 : 619,086.42 = 267,273.48 : x
  2. Step 2: Convert to fraction form
    448,504.68/619,086.42 = 267,273.48/x
  3. Step 3: Cross multiply
    448,504.68x = 619,086.42 × 267,273.48
  4. Step 4: Simplify right side
    448,504.68x = 165,465,381,894.14
  5. Step 5: Solve for x
    x = 165,465,381,894.14/448,504.68
  6. Step 6: Final answer
    x = 368,926.77

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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.