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Finding the Fourth Proportional to 339,581.52, 468,599.82 and 186,616.43

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Solution

The fourth proportional to 339,581.52, 468,599.82 and 186,616.43 is: 257,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,581.52 : 468,599.82 = 186,616.43 : x
  2. Step 2: Convert to fraction form
    339,581.52/468,599.82 = 186,616.43/x
  3. Step 3: Cross multiply
    339,581.52x = 468,599.82 × 186,616.43
  4. Step 4: Simplify right side
    339,581.52x = 87,448,423,164.04
  5. Step 5: Solve for x
    x = 87,448,423,164.04/339,581.52
  6. Step 6: Final answer
    x = 257,518.20

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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.