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Finding the Fourth Proportional to 267,403.20, 400,521.60 and 267,403.20

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Solution

The fourth proportional to 267,403.20, 400,521.60 and 267,403.20 is: 400,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,403.20 : 400,521.60 = 267,403.20 : x
  2. Step 2: Convert to fraction form
    267,403.20/400,521.60 = 267,403.20/x
  3. Step 3: Cross multiply
    267,403.20x = 400,521.60 × 267,403.20
  4. Step 4: Simplify right side
    267,403.20x = 107,100,757,509.12
  5. Step 5: Solve for x
    x = 107,100,757,509.12/267,403.20
  6. Step 6: Final answer
    x = 400,521.60

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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.