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Finding the Fourth Proportional to 365,628.54, 548,375.58 and 165,900.90

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Solution

The fourth proportional to 365,628.54, 548,375.58 and 165,900.90 is: 248,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,628.54 : 548,375.58 = 165,900.90 : x
  2. Step 2: Convert to fraction form
    365,628.54/548,375.58 = 165,900.90/x
  3. Step 3: Cross multiply
    365,628.54x = 548,375.58 × 165,900.90
  4. Step 4: Simplify right side
    365,628.54x = 90,976,002,260.02
  5. Step 5: Solve for x
    x = 90,976,002,260.02/365,628.54
  6. Step 6: Final answer
    x = 248,820.84

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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.