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Finding the Fourth Proportional to 241,477.20, 361,524.60 and 213,829.20

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Solution

The fourth proportional to 241,477.20, 361,524.60 and 213,829.20 is: 320,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,477.20 : 361,524.60 = 213,829.20 : x
  2. Step 2: Convert to fraction form
    241,477.20/361,524.60 = 213,829.20/x
  3. Step 3: Cross multiply
    241,477.20x = 361,524.60 × 213,829.20
  4. Step 4: Simplify right side
    241,477.20x = 77,304,515,998.32
  5. Step 5: Solve for x
    x = 77,304,515,998.32/241,477.20
  6. Step 6: Final answer
    x = 320,131.74

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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.