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Finding the Fourth Proportional to 354,212.08, 488,809.56 and 193,067.20

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Solution

The fourth proportional to 354,212.08, 488,809.56 and 193,067.20 is: 266,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,212.08 : 488,809.56 = 193,067.20 : x
  2. Step 2: Convert to fraction form
    354,212.08/488,809.56 = 193,067.20/x
  3. Step 3: Cross multiply
    354,212.08x = 488,809.56 × 193,067.20
  4. Step 4: Simplify right side
    354,212.08x = 94,373,093,082.43
  5. Step 5: Solve for x
    x = 94,373,093,082.43/354,212.08
  6. Step 6: Final answer
    x = 266,431.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.