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Finding the Fourth Proportional to 343,604.40, 514,735.32 and 236,736.24

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Solution

The fourth proportional to 343,604.40, 514,735.32 and 236,736.24 is: 354,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,604.40 : 514,735.32 = 236,736.24 : x
  2. Step 2: Convert to fraction form
    343,604.40/514,735.32 = 236,736.24/x
  3. Step 3: Cross multiply
    343,604.40x = 514,735.32 × 236,736.24
  4. Step 4: Simplify right side
    343,604.40x = 121,856,504,252.00
  5. Step 5: Solve for x
    x = 121,856,504,252.00/343,604.40
  6. Step 6: Final answer
    x = 354,641.86

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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.