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Finding the Fourth Proportional to 329,493.96, 454,696.74 and 186,248.97

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Solution

The fourth proportional to 329,493.96, 454,696.74 and 186,248.97 is: 257,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,493.96 : 454,696.74 = 186,248.97 : x
  2. Step 2: Convert to fraction form
    329,493.96/454,696.74 = 186,248.97/x
  3. Step 3: Cross multiply
    329,493.96x = 454,696.74 × 186,248.97
  4. Step 4: Simplify right side
    329,493.96x = 84,686,799,487.36
  5. Step 5: Solve for x
    x = 84,686,799,487.36/329,493.96
  6. Step 6: Final answer
    x = 257,020.79

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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.