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Finding the Fourth Proportional to 329,019.91, 454,047.63 and 178,116.91

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Solution

The fourth proportional to 329,019.91, 454,047.63 and 178,116.91 is: 245,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,019.91 : 454,047.63 = 178,116.91 : x
  2. Step 2: Convert to fraction form
    329,019.91/454,047.63 = 178,116.91/x
  3. Step 3: Cross multiply
    329,019.91x = 454,047.63 × 178,116.91
  4. Step 4: Simplify right side
    329,019.91x = 80,873,560,848.42
  5. Step 5: Solve for x
    x = 80,873,560,848.42/329,019.91
  6. Step 6: Final answer
    x = 245,801.42

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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.