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Finding the Fourth Proportional to 297,878.67, 446,567.04 and 129,272.04

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Solution

The fourth proportional to 297,878.67, 446,567.04 and 129,272.04 is: 193,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,878.67 : 446,567.04 = 129,272.04 : x
  2. Step 2: Convert to fraction form
    297,878.67/446,567.04 = 129,272.04/x
  3. Step 3: Cross multiply
    297,878.67x = 446,567.04 × 129,272.04
  4. Step 4: Simplify right side
    297,878.67x = 57,728,632,257.56
  5. Step 5: Solve for x
    x = 57,728,632,257.56/297,878.67
  6. Step 6: Final answer
    x = 193,799.15

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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.