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Finding the Fourth Proportional to 3,478,165.38, 4,799,149.46 and 2,008,048.45

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Solution

The fourth proportional to 3,478,165.38, 4,799,149.46 and 2,008,048.45 is: 2,770,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,165.38 : 4,799,149.46 = 2,008,048.45 : x
  2. Step 2: Convert to fraction form
    3,478,165.38/4,799,149.46 = 2,008,048.45/x
  3. Step 3: Cross multiply
    3,478,165.38x = 4,799,149.46 × 2,008,048.45
  4. Step 4: Simplify right side
    3,478,165.38x = 9,636,924,635,710.37
  5. Step 5: Solve for x
    x = 9,636,924,635,710.37/3,478,165.38
  6. Step 6: Final answer
    x = 2,770,691.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.