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Finding the Fourth Proportional to 311,358.38, 467,037.59 and 100,996.34

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Solution

The fourth proportional to 311,358.38, 467,037.59 and 100,996.34 is: 151,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,358.38 : 467,037.59 = 100,996.34 : x
  2. Step 2: Convert to fraction form
    311,358.38/467,037.59 = 100,996.34/x
  3. Step 3: Cross multiply
    311,358.38x = 467,037.59 × 100,996.34
  4. Step 4: Simplify right side
    311,358.38x = 47,169,084,392.25
  5. Step 5: Solve for x
    x = 47,169,084,392.25/311,358.38
  6. Step 6: Final answer
    x = 151,494.51

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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.