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Finding the Fourth Proportional to 311,377.59, 467,132.00 and 100,999.13

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Solution

The fourth proportional to 311,377.59, 467,132.00 and 100,999.13 is: 151,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,377.59 : 467,132.00 = 100,999.13 : x
  2. Step 2: Convert to fraction form
    311,377.59/467,132.00 = 100,999.13/x
  3. Step 3: Cross multiply
    311,377.59x = 467,132.00 × 100,999.13
  4. Step 4: Simplify right side
    311,377.59x = 47,179,922,754.50
  5. Step 5: Solve for x
    x = 47,179,922,754.50/311,377.59
  6. Step 6: Final answer
    x = 151,519.97

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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.