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Finding the Fourth Proportional to 304,682.35, 420,456.48 and 168,713.38

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Solution

The fourth proportional to 304,682.35, 420,456.48 and 168,713.38 is: 232,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,682.35 : 420,456.48 = 168,713.38 : x
  2. Step 2: Convert to fraction form
    304,682.35/420,456.48 = 168,713.38/x
  3. Step 3: Cross multiply
    304,682.35x = 420,456.48 × 168,713.38
  4. Step 4: Simplify right side
    304,682.35x = 70,936,633,883.70
  5. Step 5: Solve for x
    x = 70,936,633,883.70/304,682.35
  6. Step 6: Final answer
    x = 232,821.61

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1.5x scale

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.