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Finding the Fourth Proportional to 416,115.44, 624,173.24 and 100,572.28

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Solution

The fourth proportional to 416,115.44, 624,173.24 and 100,572.28 is: 150,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,115.44 : 624,173.24 = 100,572.28 : x
  2. Step 2: Convert to fraction form
    416,115.44/624,173.24 = 100,572.28/x
  3. Step 3: Cross multiply
    416,115.44x = 624,173.24 × 100,572.28
  4. Step 4: Simplify right side
    416,115.44x = 62,774,525,861.79
  5. Step 5: Solve for x
    x = 62,774,525,861.79/416,115.44
  6. Step 6: Final answer
    x = 150,858.44

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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.