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Finding the Fourth Proportional to 239,365.40, 327,929.24 and 230,391.41

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Solution

The fourth proportional to 239,365.40, 327,929.24 and 230,391.41 is: 315,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,365.40 : 327,929.24 = 230,391.41 : x
  2. Step 2: Convert to fraction form
    239,365.40/327,929.24 = 230,391.41/x
  3. Step 3: Cross multiply
    239,365.40x = 327,929.24 × 230,391.41
  4. Step 4: Simplify right side
    239,365.40x = 75,552,078,920.16
  5. Step 5: Solve for x
    x = 75,552,078,920.16/239,365.40
  6. Step 6: Final answer
    x = 315,634.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.