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Finding the Fourth Proportional to 268,399.92, 370,426.80 and 173,183.60

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Solution

The fourth proportional to 268,399.92, 370,426.80 and 173,183.60 is: 239,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,399.92 : 370,426.80 = 173,183.60 : x
  2. Step 2: Convert to fraction form
    268,399.92/370,426.80 = 173,183.60/x
  3. Step 3: Cross multiply
    268,399.92x = 370,426.80 × 173,183.60
  4. Step 4: Simplify right side
    268,399.92x = 64,151,846,760.48
  5. Step 5: Solve for x
    x = 64,151,846,760.48/268,399.92
  6. Step 6: Final answer
    x = 239,015.89

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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.