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Finding the Fourth Proportional to 267,257.60, 400,886.40 and 67,577.60

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Solution

The fourth proportional to 267,257.60, 400,886.40 and 67,577.60 is: 101,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,257.60 : 400,886.40 = 67,577.60 : x
  2. Step 2: Convert to fraction form
    267,257.60/400,886.40 = 67,577.60/x
  3. Step 3: Cross multiply
    267,257.60x = 400,886.40 × 67,577.60
  4. Step 4: Simplify right side
    267,257.60x = 27,090,940,784.64
  5. Step 5: Solve for x
    x = 27,090,940,784.64/267,257.60
  6. Step 6: Final answer
    x = 101,366.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.