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Finding the Fourth Proportional to 327,710.39, 491,592.11 and 91,053.09

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Solution

The fourth proportional to 327,710.39, 491,592.11 and 91,053.09 is: 136,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,710.39 : 491,592.11 = 91,053.09 : x
  2. Step 2: Convert to fraction form
    327,710.39/491,592.11 = 91,053.09/x
  3. Step 3: Cross multiply
    327,710.39x = 491,592.11 × 91,053.09
  4. Step 4: Simplify right side
    327,710.39x = 44,760,980,179.85
  5. Step 5: Solve for x
    x = 44,760,980,179.85/327,710.39
  6. Step 6: Final answer
    x = 136,587.01

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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.