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Finding the Fourth Proportional to 317,229.78, 475,866.54 and 92,592.09

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Solution

The fourth proportional to 317,229.78, 475,866.54 and 92,592.09 is: 138,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,229.78 : 475,866.54 = 92,592.09 : x
  2. Step 2: Convert to fraction form
    317,229.78/475,866.54 = 92,592.09/x
  3. Step 3: Cross multiply
    317,229.78x = 475,866.54 × 92,592.09
  4. Step 4: Simplify right side
    317,229.78x = 44,061,477,499.67
  5. Step 5: Solve for x
    x = 44,061,477,499.67/317,229.78
  6. Step 6: Final answer
    x = 138,894.52

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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.