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Finding the Fourth Proportional to 416,480.72, 624,715.68 and 100,940.36

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Solution

The fourth proportional to 416,480.72, 624,715.68 and 100,940.36 is: 151,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,480.72 : 624,715.68 = 100,940.36 : x
  2. Step 2: Convert to fraction form
    416,480.72/624,715.68 = 100,940.36/x
  3. Step 3: Cross multiply
    416,480.72x = 624,715.68 × 100,940.36
  4. Step 4: Simplify right side
    416,480.72x = 63,059,025,636.84
  5. Step 5: Solve for x
    x = 63,059,025,636.84/416,480.72
  6. Step 6: Final answer
    x = 151,409.23

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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.