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Finding the Fourth Proportional to 416,767.20, 624,229.20 and 167,320.80

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Solution

The fourth proportional to 416,767.20, 624,229.20 and 167,320.80 is: 250,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,767.20 : 624,229.20 = 167,320.80 : x
  2. Step 2: Convert to fraction form
    416,767.20/624,229.20 = 167,320.80/x
  3. Step 3: Cross multiply
    416,767.20x = 624,229.20 × 167,320.80
  4. Step 4: Simplify right side
    416,767.20x = 104,446,529,127.36
  5. Step 5: Solve for x
    x = 104,446,529,127.36/416,767.20
  6. Step 6: Final answer
    x = 250,611.20

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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.