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Finding the Fourth Proportional to 636,922.31, 955,383.46 and 163,608.12

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Solution

The fourth proportional to 636,922.31, 955,383.46 and 163,608.12 is: 245,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,922.31 : 955,383.46 = 163,608.12 : x
  2. Step 2: Convert to fraction form
    636,922.31/955,383.46 = 163,608.12/x
  3. Step 3: Cross multiply
    636,922.31x = 955,383.46 × 163,608.12
  4. Step 4: Simplify right side
    636,922.31x = 156,308,491,360.68
  5. Step 5: Solve for x
    x = 156,308,491,360.68/636,922.31
  6. Step 6: Final answer
    x = 245,412.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.