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Finding the Fourth Proportional to 340,908.29, 470,456.73 and 187,952.43

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Solution

The fourth proportional to 340,908.29, 470,456.73 and 187,952.43 is: 259,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,908.29 : 470,456.73 = 187,952.43 : x
  2. Step 2: Convert to fraction form
    340,908.29/470,456.73 = 187,952.43/x
  3. Step 3: Cross multiply
    340,908.29x = 470,456.73 × 187,952.43
  4. Step 4: Simplify right side
    340,908.29x = 88,423,485,613.35
  5. Step 5: Solve for x
    x = 88,423,485,613.35/340,908.29
  6. Step 6: Final answer
    x = 259,376.17

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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.