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Finding the Fourth Proportional to 329,150.66, 454,099.31 and 191,306.68

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Solution

The fourth proportional to 329,150.66, 454,099.31 and 191,306.68 is: 263,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,150.66 : 454,099.31 = 191,306.68 : x
  2. Step 2: Convert to fraction form
    329,150.66/454,099.31 = 191,306.68/x
  3. Step 3: Cross multiply
    329,150.66x = 454,099.31 × 191,306.68
  4. Step 4: Simplify right side
    329,150.66x = 86,872,231,386.39
  5. Step 5: Solve for x
    x = 86,872,231,386.39/329,150.66
  6. Step 6: Final answer
    x = 263,928.47

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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.