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Finding the Fourth Proportional to 327,620.98, 491,549.74 and 114,420.29

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Solution

The fourth proportional to 327,620.98, 491,549.74 and 114,420.29 is: 171,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,620.98 : 491,549.74 = 114,420.29 : x
  2. Step 2: Convert to fraction form
    327,620.98/491,549.74 = 114,420.29/x
  3. Step 3: Cross multiply
    327,620.98x = 491,549.74 × 114,420.29
  4. Step 4: Simplify right side
    327,620.98x = 56,243,263,800.22
  5. Step 5: Solve for x
    x = 56,243,263,800.22/327,620.98
  6. Step 6: Final answer
    x = 171,671.74

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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.