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Finding the Fourth Proportional to 305,471.91, 458,273.78 and 92,222.13

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Solution

The fourth proportional to 305,471.91, 458,273.78 and 92,222.13 is: 138,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,471.91 : 458,273.78 = 92,222.13 : x
  2. Step 2: Convert to fraction form
    305,471.91/458,273.78 = 92,222.13/x
  3. Step 3: Cross multiply
    305,471.91x = 458,273.78 × 92,222.13
  4. Step 4: Simplify right side
    305,471.91x = 42,262,984,114.75
  5. Step 5: Solve for x
    x = 42,262,984,114.75/305,471.91
  6. Step 6: Final answer
    x = 138,353.09

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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.