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Finding the Fourth Proportional to 338,694.42, 467,398.17 and 183,645.84

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Solution

The fourth proportional to 338,694.42, 467,398.17 and 183,645.84 is: 253,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,694.42 : 467,398.17 = 183,645.84 : x
  2. Step 2: Convert to fraction form
    338,694.42/467,398.17 = 183,645.84/x
  3. Step 3: Cross multiply
    338,694.42x = 467,398.17 × 183,645.84
  4. Step 4: Simplify right side
    338,694.42x = 85,835,729,544.11
  5. Step 5: Solve for x
    x = 85,835,729,544.11/338,694.42
  6. Step 6: Final answer
    x = 253,431.19

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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.