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Finding the Fourth Proportional to 656,469.80, 984,834.30 and 552,012.20

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Solution

The fourth proportional to 656,469.80, 984,834.30 and 552,012.20 is: 828,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,469.80 : 984,834.30 = 552,012.20 : x
  2. Step 2: Convert to fraction form
    656,469.80/984,834.30 = 552,012.20/x
  3. Step 3: Cross multiply
    656,469.80x = 984,834.30 × 552,012.20
  4. Step 4: Simplify right side
    656,469.80x = 543,640,548,578.46
  5. Step 5: Solve for x
    x = 543,640,548,578.46/656,469.80
  6. Step 6: Final answer
    x = 828,127.28

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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.