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Finding the Fourth Proportional to 627,969.70, 866,604.36 and 341,496.01

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Solution

The fourth proportional to 627,969.70, 866,604.36 and 341,496.01 is: 471,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,969.70 : 866,604.36 = 341,496.01 : x
  2. Step 2: Convert to fraction form
    627,969.70/866,604.36 = 341,496.01/x
  3. Step 3: Cross multiply
    627,969.70x = 866,604.36 × 341,496.01
  4. Step 4: Simplify right side
    627,969.70x = 295,941,931,188.60
  5. Step 5: Solve for x
    x = 295,941,931,188.60/627,969.70
  6. Step 6: Final answer
    x = 471,267.85

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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.