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Finding the Fourth Proportional to 344,520.05, 475,385.57 and 197,321.96

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Solution

The fourth proportional to 344,520.05, 475,385.57 and 197,321.96 is: 272,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,520.05 : 475,385.57 = 197,321.96 : x
  2. Step 2: Convert to fraction form
    344,520.05/475,385.57 = 197,321.96/x
  3. Step 3: Cross multiply
    344,520.05x = 475,385.57 × 197,321.96
  4. Step 4: Simplify right side
    344,520.05x = 93,804,012,978.90
  5. Step 5: Solve for x
    x = 93,804,012,978.90/344,520.05
  6. Step 6: Final answer
    x = 272,274.47

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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.