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Finding the Fourth Proportional to 567,876.07, 851,629.70 and 188,694.97

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Solution

The fourth proportional to 567,876.07, 851,629.70 and 188,694.97 is: 282,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,876.07 : 851,629.70 = 188,694.97 : x
  2. Step 2: Convert to fraction form
    567,876.07/851,629.70 = 188,694.97/x
  3. Step 3: Cross multiply
    567,876.07x = 851,629.70 × 188,694.97
  4. Step 4: Simplify right side
    567,876.07x = 160,698,237,973.86
  5. Step 5: Solve for x
    x = 160,698,237,973.86/567,876.07
  6. Step 6: Final answer
    x = 282,981.18

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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.