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Finding the Fourth Proportional to 503,819.52, 755,703.35 and 188,251.62

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Solution

The fourth proportional to 503,819.52, 755,703.35 and 188,251.62 is: 282,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,819.52 : 755,703.35 = 188,251.62 : x
  2. Step 2: Convert to fraction form
    503,819.52/755,703.35 = 188,251.62/x
  3. Step 3: Cross multiply
    503,819.52x = 755,703.35 × 188,251.62
  4. Step 4: Simplify right side
    503,819.52x = 142,262,379,876.93
  5. Step 5: Solve for x
    x = 142,262,379,876.93/503,819.52
  6. Step 6: Final answer
    x = 282,367.74

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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.