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Finding the Fourth Proportional to 951,550.50, 1,313,019 and 521,717.52

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Solution

The fourth proportional to 951,550.50, 1,313,019 and 521,717.52 is: 719,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,550.50 : 1,313,019 = 521,717.52 : x
  2. Step 2: Convert to fraction form
    951,550.50/1,313,019 = 521,717.52/x
  3. Step 3: Cross multiply
    951,550.50x = 1,313,019 × 521,717.52
  4. Step 4: Simplify right side
    951,550.50x = 685,025,016,392.88
  5. Step 5: Solve for x
    x = 685,025,016,392.88/951,550.50
  6. Step 6: Final answer
    x = 719,904.01

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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.