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Finding the Fourth Proportional to 328,453.66, 453,132.84 and 231,797.80

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Solution

The fourth proportional to 328,453.66, 453,132.84 and 231,797.80 is: 319,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,453.66 : 453,132.84 = 231,797.80 : x
  2. Step 2: Convert to fraction form
    328,453.66/453,132.84 = 231,797.80/x
  3. Step 3: Cross multiply
    328,453.66x = 453,132.84 × 231,797.80
  4. Step 4: Simplify right side
    328,453.66x = 105,035,195,419.75
  5. Step 5: Solve for x
    x = 105,035,195,419.75/328,453.66
  6. Step 6: Final answer
    x = 319,786.95

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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.