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Finding the Fourth Proportional to 354,238.43, 488,839.30 and 193,096.63

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Solution

The fourth proportional to 354,238.43, 488,839.30 and 193,096.63 is: 266,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,238.43 : 488,839.30 = 193,096.63 : x
  2. Step 2: Convert to fraction form
    354,238.43/488,839.30 = 193,096.63/x
  3. Step 3: Cross multiply
    354,238.43x = 488,839.30 × 193,096.63
  4. Step 4: Simplify right side
    354,238.43x = 94,393,221,441.56
  5. Step 5: Solve for x
    x = 94,393,221,441.56/354,238.43
  6. Step 6: Final answer
    x = 266,468.04

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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.