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Finding the Fourth Proportional to 311,336.60, 467,070.54 and 100,958.18

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Solution

The fourth proportional to 311,336.60, 467,070.54 and 100,958.18 is: 151,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,336.60 : 467,070.54 = 100,958.18 : x
  2. Step 2: Convert to fraction form
    311,336.60/467,070.54 = 100,958.18/x
  3. Step 3: Cross multiply
    311,336.60x = 467,070.54 × 100,958.18
  4. Step 4: Simplify right side
    311,336.60x = 47,154,591,650.02
  5. Step 5: Solve for x
    x = 47,154,591,650.02/311,336.60
  6. Step 6: Final answer
    x = 151,458.56

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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.