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Finding the Fourth Proportional to 332,572.88, 458,959.56 and 198,514.64

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Solution

The fourth proportional to 332,572.88, 458,959.56 and 198,514.64 is: 273,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,572.88 : 458,959.56 = 198,514.64 : x
  2. Step 2: Convert to fraction form
    332,572.88/458,959.56 = 198,514.64/x
  3. Step 3: Cross multiply
    332,572.88x = 458,959.56 × 198,514.64
  4. Step 4: Simplify right side
    332,572.88x = 91,110,191,827.96
  5. Step 5: Solve for x
    x = 91,110,191,827.96/332,572.88
  6. Step 6: Final answer
    x = 273,955.57

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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.