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Finding the Fourth Proportional to 395,315.52, 592,229.24 and 195,401.88

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Solution

The fourth proportional to 395,315.52, 592,229.24 and 195,401.88 is: 292,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,315.52 : 592,229.24 = 195,401.88 : x
  2. Step 2: Convert to fraction form
    395,315.52/592,229.24 = 195,401.88/x
  3. Step 3: Cross multiply
    395,315.52x = 592,229.24 × 195,401.88
  4. Step 4: Simplify right side
    395,315.52x = 115,722,706,886.97
  5. Step 5: Solve for x
    x = 115,722,706,886.97/395,315.52
  6. Step 6: Final answer
    x = 292,735.05

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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.