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Finding the Fourth Proportional to 338,965.20, 467,770.68 and 186,005.94

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Solution

The fourth proportional to 338,965.20, 467,770.68 and 186,005.94 is: 256,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,965.20 : 467,770.68 = 186,005.94 : x
  2. Step 2: Convert to fraction form
    338,965.20/467,770.68 = 186,005.94/x
  3. Step 3: Cross multiply
    338,965.20x = 467,770.68 × 186,005.94
  4. Step 4: Simplify right side
    338,965.20x = 87,008,125,037.84
  5. Step 5: Solve for x
    x = 87,008,125,037.84/338,965.20
  6. Step 6: Final answer
    x = 256,687.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.