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Finding the Fourth Proportional to 323,230.64, 446,089.30 and 179,990.64

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Solution

The fourth proportional to 323,230.64, 446,089.30 and 179,990.64 is: 248,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,230.64 : 446,089.30 = 179,990.64 : x
  2. Step 2: Convert to fraction form
    323,230.64/446,089.30 = 179,990.64/x
  3. Step 3: Cross multiply
    323,230.64x = 446,089.30 × 179,990.64
  4. Step 4: Simplify right side
    323,230.64x = 80,291,898,604.15
  5. Step 5: Solve for x
    x = 80,291,898,604.15/323,230.64
  6. Step 6: Final answer
    x = 248,404.35

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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.