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Finding the Fourth Proportional to 377,320.88, 565,786.52 and 111,046.80

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Solution

The fourth proportional to 377,320.88, 565,786.52 and 111,046.80 is: 166,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,320.88 : 565,786.52 = 111,046.80 : x
  2. Step 2: Convert to fraction form
    377,320.88/565,786.52 = 111,046.80/x
  3. Step 3: Cross multiply
    377,320.88x = 565,786.52 × 111,046.80
  4. Step 4: Simplify right side
    377,320.88x = 62,828,782,529.14
  5. Step 5: Solve for x
    x = 62,828,782,529.14/377,320.88
  6. Step 6: Final answer
    x = 166,512.87

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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.