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Finding the Fourth Proportional to 327,367.98, 491,050.62 and 90,709.98

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Solution

The fourth proportional to 327,367.98, 491,050.62 and 90,709.98 is: 136,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,367.98 : 491,050.62 = 90,709.98 : x
  2. Step 2: Convert to fraction form
    327,367.98/491,050.62 = 90,709.98/x
  3. Step 3: Cross multiply
    327,367.98x = 491,050.62 × 90,709.98
  4. Step 4: Simplify right side
    327,367.98x = 44,543,191,919.19
  5. Step 5: Solve for x
    x = 44,543,191,919.19/327,367.98
  6. Step 6: Final answer
    x = 136,064.60

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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.