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Finding the Fourth Proportional to 1,177,952.80, 1,766,929.20 and 804,704.80

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Solution

The fourth proportional to 1,177,952.80, 1,766,929.20 and 804,704.80 is: 1,207,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,952.80 : 1,766,929.20 = 804,704.80 : x
  2. Step 2: Convert to fraction form
    1,177,952.80/1,766,929.20 = 804,704.80/x
  3. Step 3: Cross multiply
    1,177,952.80x = 1,766,929.20 × 804,704.80
  4. Step 4: Simplify right side
    1,177,952.80x = 1,421,856,408,500.16
  5. Step 5: Solve for x
    x = 1,421,856,408,500.16/1,177,952.80
  6. Step 6: Final answer
    x = 1,207,057.20

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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.