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Finding the Fourth Proportional to 311,679.77, 467,533.76 and 95,522.90

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Solution

The fourth proportional to 311,679.77, 467,533.76 and 95,522.90 is: 143,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,679.77 : 467,533.76 = 95,522.90 : x
  2. Step 2: Convert to fraction form
    311,679.77/467,533.76 = 95,522.90/x
  3. Step 3: Cross multiply
    311,679.77x = 467,533.76 × 95,522.90
  4. Step 4: Simplify right side
    311,679.77x = 44,660,177,787.82
  5. Step 5: Solve for x
    x = 44,660,177,787.82/311,679.77
  6. Step 6: Final answer
    x = 143,288.67

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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.