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Finding the Fourth Proportional to 2,632,751.07, 3,949,279.68 and 739,640.13

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Solution

The fourth proportional to 2,632,751.07, 3,949,279.68 and 739,640.13 is: 1,109,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,751.07 : 3,949,279.68 = 739,640.13 : x
  2. Step 2: Convert to fraction form
    2,632,751.07/3,949,279.68 = 739,640.13/x
  3. Step 3: Cross multiply
    2,632,751.07x = 3,949,279.68 × 739,640.13
  4. Step 4: Simplify right side
    2,632,751.07x = 2,921,045,735,921.56
  5. Step 5: Solve for x
    x = 2,921,045,735,921.56/2,632,751.07
  6. Step 6: Final answer
    x = 1,109,503.20

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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.