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Finding the Fourth Proportional to 298,638.04, 412,049.78 and 169,548.52

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Solution

The fourth proportional to 298,638.04, 412,049.78 and 169,548.52 is: 233,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,638.04 : 412,049.78 = 169,548.52 : x
  2. Step 2: Convert to fraction form
    298,638.04/412,049.78 = 169,548.52/x
  3. Step 3: Cross multiply
    298,638.04x = 412,049.78 × 169,548.52
  4. Step 4: Simplify right side
    298,638.04x = 69,862,430,365.33
  5. Step 5: Solve for x
    x = 69,862,430,365.33/298,638.04
  6. Step 6: Final answer
    x = 233,936.81

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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.