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Finding the Fourth Proportional to 354,238.62, 488,854.44 and 193,093.72

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Solution

The fourth proportional to 354,238.62, 488,854.44 and 193,093.72 is: 266,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,238.62 : 488,854.44 = 193,093.72 : x
  2. Step 2: Convert to fraction form
    354,238.62/488,854.44 = 193,093.72/x
  3. Step 3: Cross multiply
    354,238.62x = 488,854.44 × 193,093.72
  4. Step 4: Simplify right side
    354,238.62x = 94,394,723,885.79
  5. Step 5: Solve for x
    x = 94,394,723,885.79/354,238.62
  6. Step 6: Final answer
    x = 266,472.14

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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.