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Finding the Fourth Proportional to 311,700.54, 468,394.92 and 169,650.84

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Solution

The fourth proportional to 311,700.54, 468,394.92 and 169,650.84 is: 254,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,700.54 : 468,394.92 = 169,650.84 : x
  2. Step 2: Convert to fraction form
    311,700.54/468,394.92 = 169,650.84/x
  3. Step 3: Cross multiply
    311,700.54x = 468,394.92 × 169,650.84
  4. Step 4: Simplify right side
    311,700.54x = 79,463,591,629.73
  5. Step 5: Solve for x
    x = 79,463,591,629.73/311,700.54
  6. Step 6: Final answer
    x = 254,935.69

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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.