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Finding the Fourth Proportional to 311,922.70, 467,884.05 and 112,468.30

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Solution

The fourth proportional to 311,922.70, 467,884.05 and 112,468.30 is: 168,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,922.70 : 467,884.05 = 112,468.30 : x
  2. Step 2: Convert to fraction form
    311,922.70/467,884.05 = 112,468.30/x
  3. Step 3: Cross multiply
    311,922.70x = 467,884.05 × 112,468.30
  4. Step 4: Simplify right side
    311,922.70x = 52,622,123,700.62
  5. Step 5: Solve for x
    x = 52,622,123,700.62/311,922.70
  6. Step 6: Final answer
    x = 168,702.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.