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Finding the Fourth Proportional to 267,638.24, 369,314.16 and 154,497.44

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Solution

The fourth proportional to 267,638.24, 369,314.16 and 154,497.44 is: 213,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,638.24 : 369,314.16 = 154,497.44 : x
  2. Step 2: Convert to fraction form
    267,638.24/369,314.16 = 154,497.44/x
  3. Step 3: Cross multiply
    267,638.24x = 369,314.16 × 154,497.44
  4. Step 4: Simplify right side
    267,638.24x = 57,058,092,275.75
  5. Step 5: Solve for x
    x = 57,058,092,275.75/267,638.24
  6. Step 6: Final answer
    x = 213,191.11

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1.5x scale

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.