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Finding the Fourth Proportional to 327,233.60, 489,813.60 and 233,921.60

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Solution

The fourth proportional to 327,233.60, 489,813.60 and 233,921.60 is: 350,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,233.60 : 489,813.60 = 233,921.60 : x
  2. Step 2: Convert to fraction form
    327,233.60/489,813.60 = 233,921.60/x
  3. Step 3: Cross multiply
    327,233.60x = 489,813.60 × 233,921.60
  4. Step 4: Simplify right side
    327,233.60x = 114,577,981,013.76
  5. Step 5: Solve for x
    x = 114,577,981,013.76/327,233.60
  6. Step 6: Final answer
    x = 350,141.25

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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.