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Finding the Fourth Proportional to 344,708.30, 475,672.48 and 215,704.46

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Solution

The fourth proportional to 344,708.30, 475,672.48 and 215,704.46 is: 297,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,708.30 : 475,672.48 = 215,704.46 : x
  2. Step 2: Convert to fraction form
    344,708.30/475,672.48 = 215,704.46/x
  3. Step 3: Cross multiply
    344,708.30x = 475,672.48 × 215,704.46
  4. Step 4: Simplify right side
    344,708.30x = 102,604,672,517.64
  5. Step 5: Solve for x
    x = 102,604,672,517.64/344,708.30
  6. Step 6: Final answer
    x = 297,656.52

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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.