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Finding the Fourth Proportional to 327,990.66, 492,141.51 and 195,133.38

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Solution

The fourth proportional to 327,990.66, 492,141.51 and 195,133.38 is: 292,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,990.66 : 492,141.51 = 195,133.38 : x
  2. Step 2: Convert to fraction form
    327,990.66/492,141.51 = 195,133.38/x
  3. Step 3: Cross multiply
    327,990.66x = 492,141.51 × 195,133.38
  4. Step 4: Simplify right side
    327,990.66x = 96,033,236,284.60
  5. Step 5: Solve for x
    x = 96,033,236,284.60/327,990.66
  6. Step 6: Final answer
    x = 292,792.59

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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.