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Finding the Fourth Proportional to 262,595.30, 394,087.35 and 173,819.30

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Solution

The fourth proportional to 262,595.30, 394,087.35 and 173,819.30 is: 260,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,595.30 : 394,087.35 = 173,819.30 : x
  2. Step 2: Convert to fraction form
    262,595.30/394,087.35 = 173,819.30/x
  3. Step 3: Cross multiply
    262,595.30x = 394,087.35 × 173,819.30
  4. Step 4: Simplify right side
    262,595.30x = 68,499,987,315.86
  5. Step 5: Solve for x
    x = 68,499,987,315.86/262,595.30
  6. Step 6: Final answer
    x = 260,857.63

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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.