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Finding the Fourth Proportional to 368,010.80, 552,016.20 and 327,921.20

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Solution

The fourth proportional to 368,010.80, 552,016.20 and 327,921.20 is: 491,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,010.80 : 552,016.20 = 327,921.20 : x
  2. Step 2: Convert to fraction form
    368,010.80/552,016.20 = 327,921.20/x
  3. Step 3: Cross multiply
    368,010.80x = 552,016.20 × 327,921.20
  4. Step 4: Simplify right side
    368,010.80x = 181,017,814,723.44
  5. Step 5: Solve for x
    x = 181,017,814,723.44/368,010.80
  6. Step 6: Final answer
    x = 491,881.80

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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.