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Finding the Fourth Proportional to 274,173.73, 377,518.62 and 239,990.92

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Solution

The fourth proportional to 274,173.73, 377,518.62 and 239,990.92 is: 330,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,173.73 : 377,518.62 = 239,990.92 : x
  2. Step 2: Convert to fraction form
    274,173.73/377,518.62 = 239,990.92/x
  3. Step 3: Cross multiply
    274,173.73x = 377,518.62 × 239,990.92
  4. Step 4: Simplify right side
    274,173.73x = 90,601,040,887.10
  5. Step 5: Solve for x
    x = 90,601,040,887.10/274,173.73
  6. Step 6: Final answer
    x = 330,451.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.