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Finding the Fourth Proportional to 416,107.93, 624,161.99 and 100,564.80

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Solution

The fourth proportional to 416,107.93, 624,161.99 and 100,564.80 is: 150,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,107.93 : 624,161.99 = 100,564.80 : x
  2. Step 2: Convert to fraction form
    416,107.93/624,161.99 = 100,564.80/x
  3. Step 3: Cross multiply
    416,107.93x = 624,161.99 × 100,564.80
  4. Step 4: Simplify right side
    416,107.93x = 62,768,722,068.32
  5. Step 5: Solve for x
    x = 62,768,722,068.32/416,107.93
  6. Step 6: Final answer
    x = 150,847.22

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1.5x scale

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.