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Finding the Fourth Proportional to 627,970.20, 866,605.05 and 341,496.51

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Solution

The fourth proportional to 627,970.20, 866,605.05 and 341,496.51 is: 471,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,970.20 : 866,605.05 = 341,496.51 : x
  2. Step 2: Convert to fraction form
    627,970.20/866,605.05 = 341,496.51/x
  3. Step 3: Cross multiply
    627,970.20x = 866,605.05 × 341,496.51
  4. Step 4: Simplify right side
    627,970.20x = 295,942,600,123.38
  5. Step 5: Solve for x
    x = 295,942,600,123.38/627,970.20
  6. Step 6: Final answer
    x = 471,268.54

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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.