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Finding the Fourth Proportional to 627,537.76, 866,007.84 and 341,058.58

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Solution

The fourth proportional to 627,537.76, 866,007.84 and 341,058.58 is: 470,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,537.76 : 866,007.84 = 341,058.58 : x
  2. Step 2: Convert to fraction form
    627,537.76/866,007.84 = 341,058.58/x
  3. Step 3: Cross multiply
    627,537.76x = 866,007.84 × 341,058.58
  4. Step 4: Simplify right side
    627,537.76x = 295,359,404,179.27
  5. Step 5: Solve for x
    x = 295,359,404,179.27/627,537.76
  6. Step 6: Final answer
    x = 470,663.96

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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.