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Finding the Fourth Proportional to 276,109.80, 414,164.70 and 226,246.20

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Solution

The fourth proportional to 276,109.80, 414,164.70 and 226,246.20 is: 339,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,109.80 : 414,164.70 = 226,246.20 : x
  2. Step 2: Convert to fraction form
    276,109.80/414,164.70 = 226,246.20/x
  3. Step 3: Cross multiply
    276,109.80x = 414,164.70 × 226,246.20
  4. Step 4: Simplify right side
    276,109.80x = 93,703,189,549.14
  5. Step 5: Solve for x
    x = 93,703,189,549.14/276,109.80
  6. Step 6: Final answer
    x = 339,369.30

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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.