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Finding the Fourth Proportional to 341,512.86, 471,285.55 and 188,560.59

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Solution

The fourth proportional to 341,512.86, 471,285.55 and 188,560.59 is: 260,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,512.86 : 471,285.55 = 188,560.59 : x
  2. Step 2: Convert to fraction form
    341,512.86/471,285.55 = 188,560.59/x
  3. Step 3: Cross multiply
    341,512.86x = 471,285.55 × 188,560.59
  4. Step 4: Simplify right side
    341,512.86x = 88,865,881,366.47
  5. Step 5: Solve for x
    x = 88,865,881,366.47/341,512.86
  6. Step 6: Final answer
    x = 260,212.40

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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.