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Finding the Fourth Proportional to 332,212.84, 458,309.90 and 203,156.96

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Solution

The fourth proportional to 332,212.84, 458,309.90 and 203,156.96 is: 280,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,212.84 : 458,309.90 = 203,156.96 : x
  2. Step 2: Convert to fraction form
    332,212.84/458,309.90 = 203,156.96/x
  3. Step 3: Cross multiply
    332,212.84x = 458,309.90 × 203,156.96
  4. Step 4: Simplify right side
    332,212.84x = 93,108,846,021.90
  5. Step 5: Solve for x
    x = 93,108,846,021.90/332,212.84
  6. Step 6: Final answer
    x = 280,268.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.