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Finding the Fourth Proportional to 441,930, 609,863.40 and 240,726

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Solution

The fourth proportional to 441,930, 609,863.40 and 240,726 is: 332,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,930 : 609,863.40 = 240,726 : x
  2. Step 2: Convert to fraction form
    441,930/609,863.40 = 240,726/x
  3. Step 3: Cross multiply
    441,930x = 609,863.40 × 240,726
  4. Step 4: Simplify right side
    441,930x = 146,809,976,828.40
  5. Step 5: Solve for x
    x = 146,809,976,828.40/441,930
  6. Step 6: Final answer
    x = 332,201.88

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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.