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Finding the Fourth Proportional to 627,876.06, 866,462.67 and 341,396.16

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Solution

The fourth proportional to 627,876.06, 866,462.67 and 341,396.16 is: 471,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,876.06 : 866,462.67 = 341,396.16 : x
  2. Step 2: Convert to fraction form
    627,876.06/866,462.67 = 341,396.16/x
  3. Step 3: Cross multiply
    627,876.06x = 866,462.67 × 341,396.16
  4. Step 4: Simplify right side
    627,876.06x = 295,807,028,321.35
  5. Step 5: Solve for x
    x = 295,807,028,321.35/627,876.06
  6. Step 6: Final answer
    x = 471,123.28

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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.