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Finding the Fourth Proportional to 704,891.38, 972,751.01 and 382,601.39

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Solution

The fourth proportional to 704,891.38, 972,751.01 and 382,601.39 is: 527,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,891.38 : 972,751.01 = 382,601.39 : x
  2. Step 2: Convert to fraction form
    704,891.38/972,751.01 = 382,601.39/x
  3. Step 3: Cross multiply
    704,891.38x = 972,751.01 × 382,601.39
  4. Step 4: Simplify right side
    704,891.38x = 372,175,887,244.87
  5. Step 5: Solve for x
    x = 372,175,887,244.87/704,891.38
  6. Step 6: Final answer
    x = 527,990.41

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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.