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Finding the Fourth Proportional to 332,561.72, 459,086.26 and 211,868.52

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Solution

The fourth proportional to 332,561.72, 459,086.26 and 211,868.52 is: 292,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,561.72 : 459,086.26 = 211,868.52 : x
  2. Step 2: Convert to fraction form
    332,561.72/459,086.26 = 211,868.52/x
  3. Step 3: Cross multiply
    332,561.72x = 459,086.26 × 211,868.52
  4. Step 4: Simplify right side
    332,561.72x = 97,265,926,458.54
  5. Step 5: Solve for x
    x = 97,265,926,458.54/332,561.72
  6. Step 6: Final answer
    x = 292,474.81

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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.