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Finding the Fourth Proportional to 267,689.54, 369,411.55 and 154,512.29

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Solution

The fourth proportional to 267,689.54, 369,411.55 and 154,512.29 is: 213,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,689.54 : 369,411.55 = 154,512.29 : x
  2. Step 2: Convert to fraction form
    267,689.54/369,411.55 = 154,512.29/x
  3. Step 3: Cross multiply
    267,689.54x = 369,411.55 × 154,512.29
  4. Step 4: Simplify right side
    267,689.54x = 57,078,625,080.20
  5. Step 5: Solve for x
    x = 57,078,625,080.20/267,689.54
  6. Step 6: Final answer
    x = 213,226.95

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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.