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Finding the Fourth Proportional to 352,796.80, 486,851.34 and 191,648.20

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Solution

The fourth proportional to 352,796.80, 486,851.34 and 191,648.20 is: 264,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,796.80 : 486,851.34 = 191,648.20 : x
  2. Step 2: Convert to fraction form
    352,796.80/486,851.34 = 191,648.20/x
  3. Step 3: Cross multiply
    352,796.80x = 486,851.34 × 191,648.20
  4. Step 4: Simplify right side
    352,796.80x = 93,304,182,978.59
  5. Step 5: Solve for x
    x = 93,304,182,978.59/352,796.80
  6. Step 6: Final answer
    x = 264,470.04

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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.