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Finding the Fourth Proportional to 416,016.95, 624,119.38 and 131,724.77

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Solution

The fourth proportional to 416,016.95, 624,119.38 and 131,724.77 is: 197,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,016.95 : 624,119.38 = 131,724.77 : x
  2. Step 2: Convert to fraction form
    416,016.95/624,119.38 = 131,724.77/x
  3. Step 3: Cross multiply
    416,016.95x = 624,119.38 × 131,724.77
  4. Step 4: Simplify right side
    416,016.95x = 82,211,978,333.13
  5. Step 5: Solve for x
    x = 82,211,978,333.13/416,016.95
  6. Step 6: Final answer
    x = 197,616.90

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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.