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Finding the Fourth Proportional to 704,893.56, 972,753.91 and 382,603.58

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Solution

The fourth proportional to 704,893.56, 972,753.91 and 382,603.58 is: 527,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,893.56 : 972,753.91 = 382,603.58 : x
  2. Step 2: Convert to fraction form
    704,893.56/972,753.91 = 382,603.58/x
  3. Step 3: Cross multiply
    704,893.56x = 972,753.91 × 382,603.58
  4. Step 4: Simplify right side
    704,893.56x = 372,179,123,516.68
  5. Step 5: Solve for x
    x = 372,179,123,516.68/704,893.56
  6. Step 6: Final answer
    x = 527,993.36

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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.