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Finding the Fourth Proportional to 343,952.43, 515,739.21 and 184,215.57

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Solution

The fourth proportional to 343,952.43, 515,739.21 and 184,215.57 is: 276,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,952.43 : 515,739.21 = 184,215.57 : x
  2. Step 2: Convert to fraction form
    343,952.43/515,739.21 = 184,215.57/x
  3. Step 3: Cross multiply
    343,952.43x = 515,739.21 × 184,215.57
  4. Step 4: Simplify right side
    343,952.43x = 95,007,192,541.50
  5. Step 5: Solve for x
    x = 95,007,192,541.50/343,952.43
  6. Step 6: Final answer
    x = 276,221.90

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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.