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Finding the Fourth Proportional to 416,480.72, 624,721.06 and 100,937.62

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Solution

The fourth proportional to 416,480.72, 624,721.06 and 100,937.62 is: 151,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,480.72 : 624,721.06 = 100,937.62 : x
  2. Step 2: Convert to fraction form
    416,480.72/624,721.06 = 100,937.62/x
  3. Step 3: Cross multiply
    416,480.72x = 624,721.06 × 100,937.62
  4. Step 4: Simplify right side
    416,480.72x = 63,057,856,960.28
  5. Step 5: Solve for x
    x = 63,057,856,960.28/416,480.72
  6. Step 6: Final answer
    x = 151,406.43

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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.