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Finding the Fourth Proportional to 416,127.17, 624,190.86 and 100,584.05

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Solution

The fourth proportional to 416,127.17, 624,190.86 and 100,584.05 is: 150,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,127.17 : 624,190.86 = 100,584.05 : x
  2. Step 2: Convert to fraction form
    416,127.17/624,190.86 = 100,584.05/x
  3. Step 3: Cross multiply
    416,127.17x = 624,190.86 × 100,584.05
  4. Step 4: Simplify right side
    416,127.17x = 62,783,641,550.83
  5. Step 5: Solve for x
    x = 62,783,641,550.83/416,127.17
  6. Step 6: Final answer
    x = 150,876.09

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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.