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Finding the Fourth Proportional to 339,645.80, 468,737.34 and 203,684.88

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Solution

The fourth proportional to 339,645.80, 468,737.34 and 203,684.88 is: 281,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,645.80 : 468,737.34 = 203,684.88 : x
  2. Step 2: Convert to fraction form
    339,645.80/468,737.34 = 203,684.88/x
  3. Step 3: Cross multiply
    339,645.80x = 468,737.34 × 203,684.88
  4. Step 4: Simplify right side
    339,645.80x = 95,474,708,849.42
  5. Step 5: Solve for x
    x = 95,474,708,849.42/339,645.80
  6. Step 6: Final answer
    x = 281,100.81

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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.