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Finding the Fourth Proportional to 5,304,806.86, 7,941,350.09 and 3,248,994.31

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Solution

The fourth proportional to 5,304,806.86, 7,941,350.09 and 3,248,994.31 is: 4,863,777.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304,806.86 : 7,941,350.09 = 3,248,994.31 : x
  2. Step 2: Convert to fraction form
    5,304,806.86/7,941,350.09 = 3,248,994.31/x
  3. Step 3: Cross multiply
    5,304,806.86x = 7,941,350.09 × 3,248,994.31
  4. Step 4: Simplify right side
    5,304,806.86x = 25,801,401,256,127.99
  5. Step 5: Solve for x
    x = 25,801,401,256,127.99/5,304,806.86
  6. Step 6: Final answer
    x = 4,863,777.69

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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.