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Finding the Fourth Proportional to 332,530.80, 458,895.24 and 189,300.12

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Solution

The fourth proportional to 332,530.80, 458,895.24 and 189,300.12 is: 261,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,530.80 : 458,895.24 = 189,300.12 : x
  2. Step 2: Convert to fraction form
    332,530.80/458,895.24 = 189,300.12/x
  3. Step 3: Cross multiply
    332,530.80x = 458,895.24 × 189,300.12
  4. Step 4: Simplify right side
    332,530.80x = 86,868,923,999.43
  5. Step 5: Solve for x
    x = 86,868,923,999.43/332,530.80
  6. Step 6: Final answer
    x = 261,235.72

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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.