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Finding the Fourth Proportional to 356,749.92, 492,301.56 and 195,601.20

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Solution

The fourth proportional to 356,749.92, 492,301.56 and 195,601.20 is: 269,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,749.92 : 492,301.56 = 195,601.20 : x
  2. Step 2: Convert to fraction form
    356,749.92/492,301.56 = 195,601.20/x
  3. Step 3: Cross multiply
    356,749.92x = 492,301.56 × 195,601.20
  4. Step 4: Simplify right side
    356,749.92x = 96,294,775,897.87
  5. Step 5: Solve for x
    x = 96,294,775,897.87/356,749.92
  6. Step 6: Final answer
    x = 269,922.35

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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.