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Finding the Fourth Proportional to 332,492.56, 458,872.76 and 198,356.56

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Solution

The fourth proportional to 332,492.56, 458,872.76 and 198,356.56 is: 273,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,492.56 : 458,872.76 = 198,356.56 : x
  2. Step 2: Convert to fraction form
    332,492.56/458,872.76 = 198,356.56/x
  3. Step 3: Cross multiply
    332,492.56x = 458,872.76 × 198,356.56
  4. Step 4: Simplify right side
    332,492.56x = 91,020,422,151.31
  5. Step 5: Solve for x
    x = 91,020,422,151.31/332,492.56
  6. Step 6: Final answer
    x = 273,751.76

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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.