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Finding the Fourth Proportional to 567,874.80, 851,627.81 and 188,693.73

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Solution

The fourth proportional to 567,874.80, 851,627.81 and 188,693.73 is: 282,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,874.80 : 851,627.81 = 188,693.73 : x
  2. Step 2: Convert to fraction form
    567,874.80/851,627.81 = 188,693.73/x
  3. Step 3: Cross multiply
    567,874.80x = 851,627.81 × 188,693.73
  4. Step 4: Simplify right side
    567,874.80x = 160,696,828,512.37
  5. Step 5: Solve for x
    x = 160,696,828,512.37/567,874.80
  6. Step 6: Final answer
    x = 282,979.33

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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.