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Finding the Fourth Proportional to 352,761.18, 486,819.48 and 191,625.45

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Solution

The fourth proportional to 352,761.18, 486,819.48 and 191,625.45 is: 264,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,761.18 : 486,819.48 = 191,625.45 : x
  2. Step 2: Convert to fraction form
    352,761.18/486,819.48 = 191,625.45/x
  3. Step 3: Cross multiply
    352,761.18x = 486,819.48 × 191,625.45
  4. Step 4: Simplify right side
    352,761.18x = 93,287,001,923.77
  5. Step 5: Solve for x
    x = 93,287,001,923.77/352,761.18
  6. Step 6: Final answer
    x = 264,448.04

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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.