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Finding the Fourth Proportional to 681,550.62, 940,536.72 and 375,626.34

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Solution

The fourth proportional to 681,550.62, 940,536.72 and 375,626.34 is: 518,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,550.62 : 940,536.72 = 375,626.34 : x
  2. Step 2: Convert to fraction form
    681,550.62/940,536.72 = 375,626.34/x
  3. Step 3: Cross multiply
    681,550.62x = 940,536.72 × 375,626.34
  4. Step 4: Simplify right side
    681,550.62x = 353,290,365,769.21
  5. Step 5: Solve for x
    x = 353,290,365,769.21/681,550.62
  6. Step 6: Final answer
    x = 518,362.62

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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.