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Finding the Fourth Proportional to 311,346.08, 467,084.78 and 100,967.68

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Solution

The fourth proportional to 311,346.08, 467,084.78 and 100,967.68 is: 151,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,346.08 : 467,084.78 = 100,967.68 : x
  2. Step 2: Convert to fraction form
    311,346.08/467,084.78 = 100,967.68/x
  3. Step 3: Cross multiply
    311,346.08x = 467,084.78 × 100,967.68
  4. Step 4: Simplify right side
    311,346.08x = 47,160,466,599.91
  5. Step 5: Solve for x
    x = 47,160,466,599.91/311,346.08
  6. Step 6: Final answer
    x = 151,472.81

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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.