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Finding the Fourth Proportional to 352,729.72, 486,770.56 and 191,587.92

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Solution

The fourth proportional to 352,729.72, 486,770.56 and 191,587.92 is: 264,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,729.72 : 486,770.56 = 191,587.92 : x
  2. Step 2: Convert to fraction form
    352,729.72/486,770.56 = 191,587.92/x
  3. Step 3: Cross multiply
    352,729.72x = 486,770.56 × 191,587.92
  4. Step 4: Simplify right side
    352,729.72x = 93,259,359,107.64
  5. Step 5: Solve for x
    x = 93,259,359,107.64/352,729.72
  6. Step 6: Final answer
    x = 264,393.26

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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.