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Finding the Fourth Proportional to 273,429.70, 410,144.55 and 173,265.10

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Solution

The fourth proportional to 273,429.70, 410,144.55 and 173,265.10 is: 259,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,429.70 : 410,144.55 = 173,265.10 : x
  2. Step 2: Convert to fraction form
    273,429.70/410,144.55 = 173,265.10/x
  3. Step 3: Cross multiply
    273,429.70x = 410,144.55 × 173,265.10
  4. Step 4: Simplify right side
    273,429.70x = 71,063,736,470.21
  5. Step 5: Solve for x
    x = 71,063,736,470.21/273,429.70
  6. Step 6: Final answer
    x = 259,897.65

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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.