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Finding the Fourth Proportional to 704,673.87, 972,452.52 and 382,383.96

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Solution

The fourth proportional to 704,673.87, 972,452.52 and 382,383.96 is: 527,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,673.87 : 972,452.52 = 382,383.96 : x
  2. Step 2: Convert to fraction form
    704,673.87/972,452.52 = 382,383.96/x
  3. Step 3: Cross multiply
    704,673.87x = 972,452.52 × 382,383.96
  4. Step 4: Simplify right side
    704,673.87x = 371,850,241,862.88
  5. Step 5: Solve for x
    x = 371,850,241,862.88/704,673.87
  6. Step 6: Final answer
    x = 527,691.26

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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.