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Finding the Fourth Proportional to 416,501.20, 624,749.72 and 100,958.12

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Solution

The fourth proportional to 416,501.20, 624,749.72 and 100,958.12 is: 151,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,501.20 : 624,749.72 = 100,958.12 : x
  2. Step 2: Convert to fraction form
    416,501.20/624,749.72 = 100,958.12/x
  3. Step 3: Cross multiply
    416,501.20x = 624,749.72 × 100,958.12
  4. Step 4: Simplify right side
    416,501.20x = 63,073,557,201.73
  5. Step 5: Solve for x
    x = 63,073,557,201.73/416,501.20
  6. Step 6: Final answer
    x = 151,436.68

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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.