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Finding the Fourth Proportional to 3,722,402.30, 5,218,449.10 and 3,722,402.30

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Solution

The fourth proportional to 3,722,402.30, 5,218,449.10 and 3,722,402.30 is: 5,218,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,402.30 : 5,218,449.10 = 3,722,402.30 : x
  2. Step 2: Convert to fraction form
    3,722,402.30/5,218,449.10 = 3,722,402.30/x
  3. Step 3: Cross multiply
    3,722,402.30x = 5,218,449.10 × 3,722,402.30
  4. Step 4: Simplify right side
    3,722,402.30x = 19,425,166,932,272.93
  5. Step 5: Solve for x
    x = 19,425,166,932,272.93/3,722,402.30
  6. Step 6: Final answer
    x = 5,218,449.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.