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Finding the Fourth Proportional to 273,415.20, 410,122.80 and 173,250.60

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Solution

The fourth proportional to 273,415.20, 410,122.80 and 173,250.60 is: 259,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,415.20 : 410,122.80 = 173,250.60 : x
  2. Step 2: Convert to fraction form
    273,415.20/410,122.80 = 173,250.60/x
  3. Step 3: Cross multiply
    273,415.20x = 410,122.80 × 173,250.60
  4. Step 4: Simplify right side
    273,415.20x = 71,054,021,173.68
  5. Step 5: Solve for x
    x = 71,054,021,173.68/273,415.20
  6. Step 6: Final answer
    x = 259,875.90

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1.5x scale

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.