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Finding the Fourth Proportional to 557,380.30, 836,291.99 and 178,359.43

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Solution

The fourth proportional to 557,380.30, 836,291.99 and 178,359.43 is: 267,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,380.30 : 836,291.99 = 178,359.43 : x
  2. Step 2: Convert to fraction form
    557,380.30/836,291.99 = 178,359.43/x
  3. Step 3: Cross multiply
    557,380.30x = 836,291.99 × 178,359.43
  4. Step 4: Simplify right side
    557,380.30x = 149,160,562,649.97
  5. Step 5: Solve for x
    x = 149,160,562,649.97/557,380.30
  6. Step 6: Final answer
    x = 267,610.04

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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.