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Finding the Fourth Proportional to 339,632.82, 468,698.16 and 186,685.17

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Solution

The fourth proportional to 339,632.82, 468,698.16 and 186,685.17 is: 257,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,632.82 : 468,698.16 = 186,685.17 : x
  2. Step 2: Convert to fraction form
    339,632.82/468,698.16 = 186,685.17/x
  3. Step 3: Cross multiply
    339,632.82x = 468,698.16 × 186,685.17
  4. Step 4: Simplify right side
    339,632.82x = 87,498,995,678.29
  5. Step 5: Solve for x
    x = 87,498,995,678.29/339,632.82
  6. Step 6: Final answer
    x = 257,628.21

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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.