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Finding the Fourth Proportional to 329,164.80, 454,310.40 and 193,228.80

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Solution

The fourth proportional to 329,164.80, 454,310.40 and 193,228.80 is: 266,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,164.80 : 454,310.40 = 193,228.80 : x
  2. Step 2: Convert to fraction form
    329,164.80/454,310.40 = 193,228.80/x
  3. Step 3: Cross multiply
    329,164.80x = 454,310.40 × 193,228.80
  4. Step 4: Simplify right side
    329,164.80x = 87,785,853,419.52
  5. Step 5: Solve for x
    x = 87,785,853,419.52/329,164.80
  6. Step 6: Final answer
    x = 266,692.71

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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.