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Finding the Fourth Proportional to 329,053.67, 454,251.92 and 208,253.51

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Solution

The fourth proportional to 329,053.67, 454,251.92 and 208,253.51 is: 287,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,053.67 : 454,251.92 = 208,253.51 : x
  2. Step 2: Convert to fraction form
    329,053.67/454,251.92 = 208,253.51/x
  3. Step 3: Cross multiply
    329,053.67x = 454,251.92 × 208,253.51
  4. Step 4: Simplify right side
    329,053.67x = 94,599,556,764.24
  5. Step 5: Solve for x
    x = 94,599,556,764.24/329,053.67
  6. Step 6: Final answer
    x = 287,489.75

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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.