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Finding the Fourth Proportional to 267,047.10, 368,696.90 and 238,317.44

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Solution

The fourth proportional to 267,047.10, 368,696.90 and 238,317.44 is: 329,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,047.10 : 368,696.90 = 238,317.44 : x
  2. Step 2: Convert to fraction form
    267,047.10/368,696.90 = 238,317.44/x
  3. Step 3: Cross multiply
    267,047.10x = 368,696.90 × 238,317.44
  4. Step 4: Simplify right side
    267,047.10x = 87,866,900,096.25
  5. Step 5: Solve for x
    x = 87,866,900,096.25/267,047.10
  6. Step 6: Final answer
    x = 329,031.47

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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.