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Finding the Fourth Proportional to 733,870.60, 1,100,805.90 and 668,552.20

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Solution

The fourth proportional to 733,870.60, 1,100,805.90 and 668,552.20 is: 1,002,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,870.60 : 1,100,805.90 = 668,552.20 : x
  2. Step 2: Convert to fraction form
    733,870.60/1,100,805.90 = 668,552.20/x
  3. Step 3: Cross multiply
    733,870.60x = 1,100,805.90 × 668,552.20
  4. Step 4: Simplify right side
    733,870.60x = 735,946,206,217.98
  5. Step 5: Solve for x
    x = 735,946,206,217.98/733,870.60
  6. Step 6: Final answer
    x = 1,002,828.30

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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.