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Finding the Fourth Proportional to 6,974,490.80, 10,443,073.80 and 4,436,404.40

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Solution

The fourth proportional to 6,974,490.80, 10,443,073.80 and 4,436,404.40 is: 6,642,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974,490.80 : 10,443,073.80 = 4,436,404.40 : x
  2. Step 2: Convert to fraction form
    6,974,490.80/10,443,073.80 = 4,436,404.40/x
  3. Step 3: Cross multiply
    6,974,490.80x = 10,443,073.80 × 4,436,404.40
  4. Step 4: Simplify right side
    6,974,490.80x = 46,329,698,555,844.73
  5. Step 5: Solve for x
    x = 46,329,698,555,844.73/6,974,490.80
  6. Step 6: Final answer
    x = 6,642,735.63

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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.