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Finding the Fourth Proportional to 276,077.70, 414,116.55 and 226,870.20

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Solution

The fourth proportional to 276,077.70, 414,116.55 and 226,870.20 is: 340,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,077.70 : 414,116.55 = 226,870.20 : x
  2. Step 2: Convert to fraction form
    276,077.70/414,116.55 = 226,870.20/x
  3. Step 3: Cross multiply
    276,077.70x = 414,116.55 × 226,870.20
  4. Step 4: Simplify right side
    276,077.70x = 93,950,704,521.81
  5. Step 5: Solve for x
    x = 93,950,704,521.81/276,077.70
  6. Step 6: Final answer
    x = 340,305.30

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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.