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Finding the Fourth Proportional to 448,884.45, 619,375.68 and 267,613.11

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Solution

The fourth proportional to 448,884.45, 619,375.68 and 267,613.11 is: 369,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,884.45 : 619,375.68 = 267,613.11 : x
  2. Step 2: Convert to fraction form
    448,884.45/619,375.68 = 267,613.11/x
  3. Step 3: Cross multiply
    448,884.45x = 619,375.68 × 267,613.11
  4. Step 4: Simplify right side
    448,884.45x = 165,753,051,983.17
  5. Step 5: Solve for x
    x = 165,753,051,983.17/448,884.45
  6. Step 6: Final answer
    x = 369,255.50

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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.