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Finding the Fourth Proportional to 2,632,764.60, 3,948,855.30 and 739,697.40

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Solution

The fourth proportional to 2,632,764.60, 3,948,855.30 and 739,697.40 is: 1,109,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,764.60 : 3,948,855.30 = 739,697.40 : x
  2. Step 2: Convert to fraction form
    2,632,764.60/3,948,855.30 = 739,697.40/x
  3. Step 3: Cross multiply
    2,632,764.60x = 3,948,855.30 × 739,697.40
  4. Step 4: Simplify right side
    2,632,764.60x = 2,920,957,998,386.22
  5. Step 5: Solve for x
    x = 2,920,957,998,386.22/2,632,764.60
  6. Step 6: Final answer
    x = 1,109,464.17

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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.