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Finding the Fourth Proportional to 267,591.60, 401,387.40 and 263,444.40

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Solution

The fourth proportional to 267,591.60, 401,387.40 and 263,444.40 is: 395,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,591.60 : 401,387.40 = 263,444.40 : x
  2. Step 2: Convert to fraction form
    267,591.60/401,387.40 = 263,444.40/x
  3. Step 3: Cross multiply
    267,591.60x = 401,387.40 × 263,444.40
  4. Step 4: Simplify right side
    267,591.60x = 105,743,262,760.56
  5. Step 5: Solve for x
    x = 105,743,262,760.56/267,591.60
  6. Step 6: Final answer
    x = 395,166.60

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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.