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Finding the Fourth Proportional to 276,036.60, 414,297.90 and 163,576.20

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Solution

The fourth proportional to 276,036.60, 414,297.90 and 163,576.20 is: 245,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,036.60 : 414,297.90 = 163,576.20 : x
  2. Step 2: Convert to fraction form
    276,036.60/414,297.90 = 163,576.20/x
  3. Step 3: Cross multiply
    276,036.60x = 414,297.90 × 163,576.20
  4. Step 4: Simplify right side
    276,036.60x = 67,769,276,149.98
  5. Step 5: Solve for x
    x = 67,769,276,149.98/276,036.60
  6. Step 6: Final answer
    x = 245,508.30

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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.