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Finding the Fourth Proportional to 311,553.58, 467,330.20 and 74,896.19

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Solution

The fourth proportional to 311,553.58, 467,330.20 and 74,896.19 is: 112,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,553.58 : 467,330.20 = 74,896.19 : x
  2. Step 2: Convert to fraction form
    311,553.58/467,330.20 = 74,896.19/x
  3. Step 3: Cross multiply
    311,553.58x = 467,330.20 × 74,896.19
  4. Step 4: Simplify right side
    311,553.58x = 35,001,251,451.94
  5. Step 5: Solve for x
    x = 35,001,251,451.94/311,553.58
  6. Step 6: Final answer
    x = 112,344.24

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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.