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Finding the Fourth Proportional to 329,717.20, 494,575.80 and 327,748.90

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Solution

The fourth proportional to 329,717.20, 494,575.80 and 327,748.90 is: 491,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,717.20 : 494,575.80 = 327,748.90 : x
  2. Step 2: Convert to fraction form
    329,717.20/494,575.80 = 327,748.90/x
  3. Step 3: Cross multiply
    329,717.20x = 494,575.80 × 327,748.90
  4. Step 4: Simplify right side
    329,717.20x = 162,096,674,416.62
  5. Step 5: Solve for x
    x = 162,096,674,416.62/329,717.20
  6. Step 6: Final answer
    x = 491,623.35

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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.