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Finding the Fourth Proportional to 329,521.11, 454,758.74 and 186,294.48

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Solution

The fourth proportional to 329,521.11, 454,758.74 and 186,294.48 is: 257,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,521.11 : 454,758.74 = 186,294.48 : x
  2. Step 2: Convert to fraction form
    329,521.11/454,758.74 = 186,294.48/x
  3. Step 3: Cross multiply
    329,521.11x = 454,758.74 × 186,294.48
  4. Step 4: Simplify right side
    329,521.11x = 84,719,042,993.76
  5. Step 5: Solve for x
    x = 84,719,042,993.76/329,521.11
  6. Step 6: Final answer
    x = 257,097.47

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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.