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Finding the Fourth Proportional to 261,201.70, 360,395.40 and 165,673.54

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Solution

The fourth proportional to 261,201.70, 360,395.40 and 165,673.54 is: 228,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,201.70 : 360,395.40 = 165,673.54 : x
  2. Step 2: Convert to fraction form
    261,201.70/360,395.40 = 165,673.54/x
  3. Step 3: Cross multiply
    261,201.70x = 360,395.40 × 165,673.54
  4. Step 4: Simplify right side
    261,201.70x = 59,707,981,717.72
  5. Step 5: Solve for x
    x = 59,707,981,717.72/261,201.70
  6. Step 6: Final answer
    x = 228,589.56

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1.5x scale

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.