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Finding the Fourth Proportional to 550,080.80, 825,121.76 and 150,724.80

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Solution

The fourth proportional to 550,080.80, 825,121.76 and 150,724.80 is: 226,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,080.80 : 825,121.76 = 150,724.80 : x
  2. Step 2: Convert to fraction form
    550,080.80/825,121.76 = 150,724.80/x
  3. Step 3: Cross multiply
    550,080.80x = 825,121.76 × 150,724.80
  4. Step 4: Simplify right side
    550,080.80x = 124,366,312,251.65
  5. Step 5: Solve for x
    x = 124,366,312,251.65/550,080.80
  6. Step 6: Final answer
    x = 226,087.35

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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.