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Finding the Fourth Proportional to 327,989.66, 492,140.01 and 195,132.38

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Solution

The fourth proportional to 327,989.66, 492,140.01 and 195,132.38 is: 292,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,989.66 : 492,140.01 = 195,132.38 : x
  2. Step 2: Convert to fraction form
    327,989.66/492,140.01 = 195,132.38/x
  3. Step 3: Cross multiply
    327,989.66x = 492,140.01 × 195,132.38
  4. Step 4: Simplify right side
    327,989.66x = 96,032,451,444.52
  5. Step 5: Solve for x
    x = 96,032,451,444.52/327,989.66
  6. Step 6: Final answer
    x = 292,791.09

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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.