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Finding the Fourth Proportional to 365,260.34, 548,144.85 and 128,622.08

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Solution

The fourth proportional to 365,260.34, 548,144.85 and 128,622.08 is: 193,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,260.34 : 548,144.85 = 128,622.08 : x
  2. Step 2: Convert to fraction form
    365,260.34/548,144.85 = 128,622.08/x
  3. Step 3: Cross multiply
    365,260.34x = 548,144.85 × 128,622.08
  4. Step 4: Simplify right side
    365,260.34x = 70,503,530,748.29
  5. Step 5: Solve for x
    x = 70,503,530,748.29/365,260.34
  6. Step 6: Final answer
    x = 193,022.68

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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.