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Finding the Fourth Proportional to 267,067.60, 400,666.20 and 188,335.60

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Solution

The fourth proportional to 267,067.60, 400,666.20 and 188,335.60 is: 282,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,067.60 : 400,666.20 = 188,335.60 : x
  2. Step 2: Convert to fraction form
    267,067.60/400,666.20 = 188,335.60/x
  3. Step 3: Cross multiply
    267,067.60x = 400,666.20 × 188,335.60
  4. Step 4: Simplify right side
    267,067.60x = 75,459,709,176.72
  5. Step 5: Solve for x
    x = 75,459,709,176.72/267,067.60
  6. Step 6: Final answer
    x = 282,549.10

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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.