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Finding the Fourth Proportional to 704,857.25, 972,676.97 and 382,560.43

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Solution

The fourth proportional to 704,857.25, 972,676.97 and 382,560.43 is: 527,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,857.25 : 972,676.97 = 382,560.43 : x
  2. Step 2: Convert to fraction form
    704,857.25/972,676.97 = 382,560.43/x
  3. Step 3: Cross multiply
    704,857.25x = 972,676.97 × 382,560.43
  4. Step 4: Simplify right side
    704,857.25x = 372,107,719,894.30
  5. Step 5: Solve for x
    x = 372,107,719,894.30/704,857.25
  6. Step 6: Final answer
    x = 527,919.26

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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.