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Finding the Fourth Proportional to 720,751.44, 1,081,226.48 and 247,375.28

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Solution

The fourth proportional to 720,751.44, 1,081,226.48 and 247,375.28 is: 371,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,751.44 : 1,081,226.48 = 247,375.28 : x
  2. Step 2: Convert to fraction form
    720,751.44/1,081,226.48 = 247,375.28/x
  3. Step 3: Cross multiply
    720,751.44x = 1,081,226.48 × 247,375.28
  4. Step 4: Simplify right side
    720,751.44x = 267,468,703,233.41
  5. Step 5: Solve for x
    x = 267,468,703,233.41/720,751.44
  6. Step 6: Final answer
    x = 371,097.01

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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.