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Finding the Fourth Proportional to 488,672.30, 733,081.35 and 173,104.40

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Solution

The fourth proportional to 488,672.30, 733,081.35 and 173,104.40 is: 259,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,672.30 : 733,081.35 = 173,104.40 : x
  2. Step 2: Convert to fraction form
    488,672.30/733,081.35 = 173,104.40/x
  3. Step 3: Cross multiply
    488,672.30x = 733,081.35 × 173,104.40
  4. Step 4: Simplify right side
    488,672.30x = 126,899,607,242.94
  5. Step 5: Solve for x
    x = 126,899,607,242.94/488,672.30
  6. Step 6: Final answer
    x = 259,682.42

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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.