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Finding the Fourth Proportional to 329,282.18, 454,409.42 and 178,379.18

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Solution

The fourth proportional to 329,282.18, 454,409.42 and 178,379.18 is: 246,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,282.18 : 454,409.42 = 178,379.18 : x
  2. Step 2: Convert to fraction form
    329,282.18/454,409.42 = 178,379.18/x
  3. Step 3: Cross multiply
    329,282.18x = 454,409.42 × 178,379.18
  4. Step 4: Simplify right side
    329,282.18x = 81,057,179,723.88
  5. Step 5: Solve for x
    x = 81,057,179,723.88/329,282.18
  6. Step 6: Final answer
    x = 246,163.27

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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.