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Finding the Fourth Proportional to 341,512.61, 471,285.20 and 188,560.34

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Solution

The fourth proportional to 341,512.61, 471,285.20 and 188,560.34 is: 260,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,512.61 : 471,285.20 = 188,560.34 : x
  2. Step 2: Convert to fraction form
    341,512.61/471,285.20 = 188,560.34/x
  3. Step 3: Cross multiply
    341,512.61x = 471,285.20 × 188,560.34
  4. Step 4: Simplify right side
    341,512.61x = 88,865,695,663.94
  5. Step 5: Solve for x
    x = 88,865,695,663.94/341,512.61
  6. Step 6: Final answer
    x = 260,212.05

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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.