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Finding the Fourth Proportional to 453,759.92, 680,587.88 and 121,361.84

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Solution

The fourth proportional to 453,759.92, 680,587.88 and 121,361.84 is: 182,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,759.92 : 680,587.88 = 121,361.84 : x
  2. Step 2: Convert to fraction form
    453,759.92/680,587.88 = 121,361.84/x
  3. Step 3: Cross multiply
    453,759.92x = 680,587.88 × 121,361.84
  4. Step 4: Simplify right side
    453,759.92x = 82,597,397,398.50
  5. Step 5: Solve for x
    x = 82,597,397,398.50/453,759.92
  6. Step 6: Final answer
    x = 182,028.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.