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Finding the Fourth Proportional to 327,596.40, 491,512.86 and 114,395.74

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Solution

The fourth proportional to 327,596.40, 491,512.86 and 114,395.74 is: 171,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,596.40 : 491,512.86 = 114,395.74 : x
  2. Step 2: Convert to fraction form
    327,596.40/491,512.86 = 114,395.74/x
  3. Step 3: Cross multiply
    327,596.40x = 491,512.86 × 114,395.74
  4. Step 4: Simplify right side
    327,596.40x = 56,226,978,875.19
  5. Step 5: Solve for x
    x = 56,226,978,875.19/327,596.40
  6. Step 6: Final answer
    x = 171,634.91

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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.