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Finding the Fourth Proportional to 267,146.16, 368,348.88 and 213,258.48

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Solution

The fourth proportional to 267,146.16, 368,348.88 and 213,258.48 is: 294,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,146.16 : 368,348.88 = 213,258.48 : x
  2. Step 2: Convert to fraction form
    267,146.16/368,348.88 = 213,258.48/x
  3. Step 3: Cross multiply
    267,146.16x = 368,348.88 × 213,258.48
  4. Step 4: Simplify right side
    267,146.16x = 78,553,522,258.50
  5. Step 5: Solve for x
    x = 78,553,522,258.50/267,146.16
  6. Step 6: Final answer
    x = 294,046.98

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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.