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Finding the Fourth Proportional to 704,469.13, 972,167.78 and 382,179.19

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Solution

The fourth proportional to 704,469.13, 972,167.78 and 382,179.19 is: 527,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,469.13 : 972,167.78 = 382,179.19 : x
  2. Step 2: Convert to fraction form
    704,469.13/972,167.78 = 382,179.19/x
  3. Step 3: Cross multiply
    704,469.13x = 972,167.78 × 382,179.19
  4. Step 4: Simplify right side
    704,469.13x = 371,542,294,704.50
  5. Step 5: Solve for x
    x = 371,542,294,704.50/704,469.13
  6. Step 6: Final answer
    x = 527,407.49

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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.