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Finding the Fourth Proportional to 951,859, 1,313,541.39 and 543,934.90

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Solution

The fourth proportional to 951,859, 1,313,541.39 and 543,934.90 is: 750,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,859 : 1,313,541.39 = 543,934.90 : x
  2. Step 2: Convert to fraction form
    951,859/1,313,541.39 = 543,934.90/x
  3. Step 3: Cross multiply
    951,859x = 1,313,541.39 × 543,934.90
  4. Step 4: Simplify right side
    951,859x = 714,481,004,615.51
  5. Step 5: Solve for x
    x = 714,481,004,615.51/951,859
  6. Step 6: Final answer
    x = 750,616.43

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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.