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Finding the Fourth Proportional to 267,264.80, 400,319.68 and 251,561.60

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Solution

The fourth proportional to 267,264.80, 400,319.68 and 251,561.60 is: 376,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,264.80 : 400,319.68 = 251,561.60 : x
  2. Step 2: Convert to fraction form
    267,264.80/400,319.68 = 251,561.60/x
  3. Step 3: Cross multiply
    267,264.80x = 400,319.68 × 251,561.60
  4. Step 4: Simplify right side
    267,264.80x = 100,705,059,212.29
  5. Step 5: Solve for x
    x = 100,705,059,212.29/267,264.80
  6. Step 6: Final answer
    x = 376,798.81

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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.