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Finding the Fourth Proportional to 276,022.72, 414,034.08 and 220,358.08

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Solution

The fourth proportional to 276,022.72, 414,034.08 and 220,358.08 is: 330,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,022.72 : 414,034.08 = 220,358.08 : x
  2. Step 2: Convert to fraction form
    276,022.72/414,034.08 = 220,358.08/x
  3. Step 3: Cross multiply
    276,022.72x = 414,034.08 × 220,358.08
  4. Step 4: Simplify right side
    276,022.72x = 91,235,754,923.37
  5. Step 5: Solve for x
    x = 91,235,754,923.37/276,022.72
  6. Step 6: Final answer
    x = 330,537.12

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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.