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Finding the Fourth Proportional to 311,995.88, 467,993.46 and 101,633.48

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Solution

The fourth proportional to 311,995.88, 467,993.46 and 101,633.48 is: 152,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,995.88 : 467,993.46 = 101,633.48 : x
  2. Step 2: Convert to fraction form
    311,995.88/467,993.46 = 101,633.48/x
  3. Step 3: Cross multiply
    311,995.88x = 467,993.46 × 101,633.48
  4. Step 4: Simplify right side
    311,995.88x = 47,563,803,957.04
  5. Step 5: Solve for x
    x = 47,563,803,957.04/311,995.88
  6. Step 6: Final answer
    x = 152,450.10

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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.