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Finding the Fourth Proportional to 325,226.96, 487,837.64 and 254,209.27

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Solution

The fourth proportional to 325,226.96, 487,837.64 and 254,209.27 is: 381,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,226.96 : 487,837.64 = 254,209.27 : x
  2. Step 2: Convert to fraction form
    325,226.96/487,837.64 = 254,209.27/x
  3. Step 3: Cross multiply
    325,226.96x = 487,837.64 × 254,209.27
  4. Step 4: Simplify right side
    325,226.96x = 124,012,847,852.28
  5. Step 5: Solve for x
    x = 124,012,847,852.28/325,226.96
  6. Step 6: Final answer
    x = 381,311.71

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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.