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Finding the Fourth Proportional to 627,651.44, 941,468.92 and 154,340.88

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Solution

The fourth proportional to 627,651.44, 941,468.92 and 154,340.88 is: 231,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,651.44 : 941,468.92 = 154,340.88 : x
  2. Step 2: Convert to fraction form
    627,651.44/941,468.92 = 154,340.88/x
  3. Step 3: Cross multiply
    627,651.44x = 941,468.92 × 154,340.88
  4. Step 4: Simplify right side
    627,651.44x = 145,307,141,605.45
  5. Step 5: Solve for x
    x = 145,307,141,605.45/627,651.44
  6. Step 6: Final answer
    x = 231,509.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.