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Finding the Fourth Proportional to 325,054.26, 448,687.89 and 223,416.90

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Solution

The fourth proportional to 325,054.26, 448,687.89 and 223,416.90 is: 308,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,054.26 : 448,687.89 = 223,416.90 : x
  2. Step 2: Convert to fraction form
    325,054.26/448,687.89 = 223,416.90/x
  3. Step 3: Cross multiply
    325,054.26x = 448,687.89 × 223,416.90
  4. Step 4: Simplify right side
    325,054.26x = 100,244,457,451.34
  5. Step 5: Solve for x
    x = 100,244,457,451.34/325,054.26
  6. Step 6: Final answer
    x = 308,393.00

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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.