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Finding the Fourth Proportional to 327,023.82, 491,479.90 and 304,319.68

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Solution

The fourth proportional to 327,023.82, 491,479.90 and 304,319.68 is: 457,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,023.82 : 491,479.90 = 304,319.68 : x
  2. Step 2: Convert to fraction form
    327,023.82/491,479.90 = 304,319.68/x
  3. Step 3: Cross multiply
    327,023.82x = 491,479.90 × 304,319.68
  4. Step 4: Simplify right side
    327,023.82x = 149,567,006,455.53
  5. Step 5: Solve for x
    x = 149,567,006,455.53/327,023.82
  6. Step 6: Final answer
    x = 457,358.14

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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.