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Finding the Fourth Proportional to 344,767.50, 517,326.21 and 157,825.98

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Solution

The fourth proportional to 344,767.50, 517,326.21 and 157,825.98 is: 236,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,767.50 : 517,326.21 = 157,825.98 : x
  2. Step 2: Convert to fraction form
    344,767.50/517,326.21 = 157,825.98/x
  3. Step 3: Cross multiply
    344,767.50x = 517,326.21 × 157,825.98
  4. Step 4: Simplify right side
    344,767.50x = 81,647,516,072.94
  5. Step 5: Solve for x
    x = 81,647,516,072.94/344,767.50
  6. Step 6: Final answer
    x = 236,819.06

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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.