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Finding the Fourth Proportional to 6,233,902.80, 9,351,145.80 and 1,974,404.40

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Solution

The fourth proportional to 6,233,902.80, 9,351,145.80 and 1,974,404.40 is: 2,961,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,233,902.80 : 9,351,145.80 = 1,974,404.40 : x
  2. Step 2: Convert to fraction form
    6,233,902.80/9,351,145.80 = 1,974,404.40/x
  3. Step 3: Cross multiply
    6,233,902.80x = 9,351,145.80 × 1,974,404.40
  4. Step 4: Simplify right side
    6,233,902.80x = 18,462,943,412,561.52
  5. Step 5: Solve for x
    x = 18,462,943,412,561.52/6,233,902.80
  6. Step 6: Final answer
    x = 2,961,698.96

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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.