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Finding the Fourth Proportional to 471,519.11, 650,678.27 and 267,557.87

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Solution

The fourth proportional to 471,519.11, 650,678.27 and 267,557.87 is: 369,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,519.11 : 650,678.27 = 267,557.87 : x
  2. Step 2: Convert to fraction form
    471,519.11/650,678.27 = 267,557.87/x
  3. Step 3: Cross multiply
    471,519.11x = 650,678.27 × 267,557.87
  4. Step 4: Simplify right side
    471,519.11x = 174,094,092,265.39
  5. Step 5: Solve for x
    x = 174,094,092,265.39/471,519.11
  6. Step 6: Final answer
    x = 369,219.59

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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.