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Finding the Fourth Proportional to 329,545.93, 454,755.72 and 186,297.43

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Solution

The fourth proportional to 329,545.93, 454,755.72 and 186,297.43 is: 257,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,545.93 : 454,755.72 = 186,297.43 : x
  2. Step 2: Convert to fraction form
    329,545.93/454,755.72 = 186,297.43/x
  3. Step 3: Cross multiply
    329,545.93x = 454,755.72 × 186,297.43
  4. Step 4: Simplify right side
    329,545.93x = 84,719,821,913.80
  5. Step 5: Solve for x
    x = 84,719,821,913.80/329,545.93
  6. Step 6: Final answer
    x = 257,080.47

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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.