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Finding the Fourth Proportional to 636,592.46, 878,504.92 and 350,117.33

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Solution

The fourth proportional to 636,592.46, 878,504.92 and 350,117.33 is: 483,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,592.46 : 878,504.92 = 350,117.33 : x
  2. Step 2: Convert to fraction form
    636,592.46/878,504.92 = 350,117.33/x
  3. Step 3: Cross multiply
    636,592.46x = 878,504.92 × 350,117.33
  4. Step 4: Simplify right side
    636,592.46x = 307,579,796,982.26
  5. Step 5: Solve for x
    x = 307,579,796,982.26/636,592.46
  6. Step 6: Final answer
    x = 483,165.94

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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.