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Finding the Fourth Proportional to 395,506.43, 545,832.44 and 223,456.02

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Solution

The fourth proportional to 395,506.43, 545,832.44 and 223,456.02 is: 308,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,506.43 : 545,832.44 = 223,456.02 : x
  2. Step 2: Convert to fraction form
    395,506.43/545,832.44 = 223,456.02/x
  3. Step 3: Cross multiply
    395,506.43x = 545,832.44 × 223,456.02
  4. Step 4: Simplify right side
    395,506.43x = 121,969,542,303.10
  5. Step 5: Solve for x
    x = 121,969,542,303.10/395,506.43
  6. Step 6: Final answer
    x = 308,388.27

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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.