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Finding the Fourth Proportional to 267,429, 368,274.28 and 250,333.68

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Solution

The fourth proportional to 267,429, 368,274.28 and 250,333.68 is: 344,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,429 : 368,274.28 = 250,333.68 : x
  2. Step 2: Convert to fraction form
    267,429/368,274.28 = 250,333.68/x
  3. Step 3: Cross multiply
    267,429x = 368,274.28 × 250,333.68
  4. Step 4: Simplify right side
    267,429x = 92,191,455,761.75
  5. Step 5: Solve for x
    x = 92,191,455,761.75/267,429
  6. Step 6: Final answer
    x = 344,732.46

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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.