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Finding the Fourth Proportional to 337,247.60, 505,859.70 and 84,530.30

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Solution

The fourth proportional to 337,247.60, 505,859.70 and 84,530.30 is: 126,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,247.60 : 505,859.70 = 84,530.30 : x
  2. Step 2: Convert to fraction form
    337,247.60/505,859.70 = 84,530.30/x
  3. Step 3: Cross multiply
    337,247.60x = 505,859.70 × 84,530.30
  4. Step 4: Simplify right side
    337,247.60x = 42,760,472,198.91
  5. Step 5: Solve for x
    x = 42,760,472,198.91/337,247.60
  6. Step 6: Final answer
    x = 126,792.52

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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.