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Finding the Fourth Proportional to 338,965.42, 467,801.33 and 186,033.17

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Solution

The fourth proportional to 338,965.42, 467,801.33 and 186,033.17 is: 256,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,965.42 : 467,801.33 = 186,033.17 : x
  2. Step 2: Convert to fraction form
    338,965.42/467,801.33 = 186,033.17/x
  3. Step 3: Cross multiply
    338,965.42x = 467,801.33 × 186,033.17
  4. Step 4: Simplify right side
    338,965.42x = 87,026,561,080.94
  5. Step 5: Solve for x
    x = 87,026,561,080.94/338,965.42
  6. Step 6: Final answer
    x = 256,741.71

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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.