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Finding the Fourth Proportional to 267,929.39, 369,729.20 and 154,745.39

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Solution

The fourth proportional to 267,929.39, 369,729.20 and 154,745.39 is: 213,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,929.39 : 369,729.20 = 154,745.39 : x
  2. Step 2: Convert to fraction form
    267,929.39/369,729.20 = 154,745.39/x
  3. Step 3: Cross multiply
    267,929.39x = 369,729.20 × 154,745.39
  4. Step 4: Simplify right side
    267,929.39x = 57,213,888,474.66
  5. Step 5: Solve for x
    x = 57,213,888,474.66/267,929.39
  6. Step 6: Final answer
    x = 213,540.92

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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.