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Finding the Fourth Proportional to 416,391.11, 624,493.26 and 191,535.60

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Solution

The fourth proportional to 416,391.11, 624,493.26 and 191,535.60 is: 287,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,391.11 : 624,493.26 = 191,535.60 : x
  2. Step 2: Convert to fraction form
    416,391.11/624,493.26 = 191,535.60/x
  3. Step 3: Cross multiply
    416,391.11x = 624,493.26 × 191,535.60
  4. Step 4: Simplify right side
    416,391.11x = 119,612,691,250.06
  5. Step 5: Solve for x
    x = 119,612,691,250.06/416,391.11
  6. Step 6: Final answer
    x = 287,260.44

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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.