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Finding the Fourth Proportional to 636,606.68, 954,910.26 and 163,292

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Solution

The fourth proportional to 636,606.68, 954,910.26 and 163,292 is: 244,938.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,606.68 : 954,910.26 = 163,292 : x
  2. Step 2: Convert to fraction form
    636,606.68/954,910.26 = 163,292/x
  3. Step 3: Cross multiply
    636,606.68x = 954,910.26 × 163,292
  4. Step 4: Simplify right side
    636,606.68x = 155,929,206,175.92
  5. Step 5: Solve for x
    x = 155,929,206,175.92/636,606.68
  6. Step 6: Final answer
    x = 244,938.06

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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.