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Finding the Fourth Proportional to 327,552.51, 491,329.01 and 90,895.42

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Solution

The fourth proportional to 327,552.51, 491,329.01 and 90,895.42 is: 136,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,552.51 : 491,329.01 = 90,895.42 : x
  2. Step 2: Convert to fraction form
    327,552.51/491,329.01 = 90,895.42/x
  3. Step 3: Cross multiply
    327,552.51x = 491,329.01 × 90,895.42
  4. Step 4: Simplify right side
    327,552.51x = 44,659,556,722.13
  5. Step 5: Solve for x
    x = 44,659,556,722.13/327,552.51
  6. Step 6: Final answer
    x = 136,343.20

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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.