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Finding the Fourth Proportional to 273,928.01, 410,984.27 and 172,608.39

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Solution

The fourth proportional to 273,928.01, 410,984.27 and 172,608.39 is: 258,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,928.01 : 410,984.27 = 172,608.39 : x
  2. Step 2: Convert to fraction form
    273,928.01/410,984.27 = 172,608.39/x
  3. Step 3: Cross multiply
    273,928.01x = 410,984.27 × 172,608.39
  4. Step 4: Simplify right side
    273,928.01x = 70,939,332,296.98
  5. Step 5: Solve for x
    x = 70,939,332,296.98/273,928.01
  6. Step 6: Final answer
    x = 258,970.72

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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.