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Finding the Fourth Proportional to 276,046.60, 414,069.90 and 181,568.20

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Solution

The fourth proportional to 276,046.60, 414,069.90 and 181,568.20 is: 272,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,046.60 : 414,069.90 = 181,568.20 : x
  2. Step 2: Convert to fraction form
    276,046.60/414,069.90 = 181,568.20/x
  3. Step 3: Cross multiply
    276,046.60x = 414,069.90 × 181,568.20
  4. Step 4: Simplify right side
    276,046.60x = 75,181,926,417.18
  5. Step 5: Solve for x
    x = 75,181,926,417.18/276,046.60
  6. Step 6: Final answer
    x = 272,352.30

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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.