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Finding the Fourth Proportional to 327,998.66, 452,658.93 and 190,205.78

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Solution

The fourth proportional to 327,998.66, 452,658.93 and 190,205.78 is: 262,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,998.66 : 452,658.93 = 190,205.78 : x
  2. Step 2: Convert to fraction form
    327,998.66/452,658.93 = 190,205.78/x
  3. Step 3: Cross multiply
    327,998.66x = 452,658.93 × 190,205.78
  4. Step 4: Simplify right side
    327,998.66x = 86,098,344,854.62
  5. Step 5: Solve for x
    x = 86,098,344,854.62/327,998.66
  6. Step 6: Final answer
    x = 262,496.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.