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Finding the Fourth Proportional to 395,838.87, 593,710.92 and 111,550.74

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Solution

The fourth proportional to 395,838.87, 593,710.92 and 111,550.74 is: 167,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,838.87 : 593,710.92 = 111,550.74 : x
  2. Step 2: Convert to fraction form
    395,838.87/593,710.92 = 111,550.74/x
  3. Step 3: Cross multiply
    395,838.87x = 593,710.92 × 111,550.74
  4. Step 4: Simplify right side
    395,838.87x = 66,228,892,472.08
  5. Step 5: Solve for x
    x = 66,228,892,472.08/395,838.87
  6. Step 6: Final answer
    x = 167,312.76

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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.