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Finding the Fourth Proportional to 267,419.19, 368,825.90 and 227,265.87

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Solution

The fourth proportional to 267,419.19, 368,825.90 and 227,265.87 is: 313,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,419.19 : 368,825.90 = 227,265.87 : x
  2. Step 2: Convert to fraction form
    267,419.19/368,825.90 = 227,265.87/x
  3. Step 3: Cross multiply
    267,419.19x = 368,825.90 × 227,265.87
  4. Step 4: Simplify right side
    267,419.19x = 83,821,537,905.70
  5. Step 5: Solve for x
    x = 83,821,537,905.70/267,419.19
  6. Step 6: Final answer
    x = 313,446.23

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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.