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Finding the Fourth Proportional to 627,822.41, 866,390.54 and 341,342.49

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Solution

The fourth proportional to 627,822.41, 866,390.54 and 341,342.49 is: 471,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,822.41 : 866,390.54 = 341,342.49 : x
  2. Step 2: Convert to fraction form
    627,822.41/866,390.54 = 341,342.49/x
  3. Step 3: Cross multiply
    627,822.41x = 866,390.54 × 341,342.49
  4. Step 4: Simplify right side
    627,822.41x = 295,735,904,236.05
  5. Step 5: Solve for x
    x = 295,735,904,236.05/627,822.41
  6. Step 6: Final answer
    x = 471,050.25

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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.