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Finding the Fourth Proportional to 325,697.76, 449,210.16 and 218,233.44

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Solution

The fourth proportional to 325,697.76, 449,210.16 and 218,233.44 is: 300,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,697.76 : 449,210.16 = 218,233.44 : x
  2. Step 2: Convert to fraction form
    325,697.76/449,210.16 = 218,233.44/x
  3. Step 3: Cross multiply
    325,697.76x = 449,210.16 × 218,233.44
  4. Step 4: Simplify right side
    325,697.76x = 98,032,678,499.75
  5. Step 5: Solve for x
    x = 98,032,678,499.75/325,697.76
  6. Step 6: Final answer
    x = 300,992.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.