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Finding the Fourth Proportional to 416,017.37, 624,119.54 and 131,724.92

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Solution

The fourth proportional to 416,017.37, 624,119.54 and 131,724.92 is: 197,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,017.37 : 624,119.54 = 131,724.92 : x
  2. Step 2: Convert to fraction form
    416,017.37/624,119.54 = 131,724.92/x
  3. Step 3: Cross multiply
    416,017.37x = 624,119.54 × 131,724.92
  4. Step 4: Simplify right side
    416,017.37x = 82,212,092,697.71
  5. Step 5: Solve for x
    x = 82,212,092,697.71/416,017.37
  6. Step 6: Final answer
    x = 197,616.97

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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.