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Finding the Fourth Proportional to 332,910.84, 499,262.58 and 111,243

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Solution

The fourth proportional to 332,910.84, 499,262.58 and 111,243 is: 166,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,910.84 : 499,262.58 = 111,243 : x
  2. Step 2: Convert to fraction form
    332,910.84/499,262.58 = 111,243/x
  3. Step 3: Cross multiply
    332,910.84x = 499,262.58 × 111,243
  4. Step 4: Simplify right side
    332,910.84x = 55,539,467,186.94
  5. Step 5: Solve for x
    x = 55,539,467,186.94/332,910.84
  6. Step 6: Final answer
    x = 166,829.86

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1.5x scale

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.