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Finding the Fourth Proportional to 627,911.32, 866,499.44 and 356,004.44

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Solution

The fourth proportional to 627,911.32, 866,499.44 and 356,004.44 is: 491,275.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,911.32 : 866,499.44 = 356,004.44 : x
  2. Step 2: Convert to fraction form
    627,911.32/866,499.44 = 356,004.44/x
  3. Step 3: Cross multiply
    627,911.32x = 866,499.44 × 356,004.44
  4. Step 4: Simplify right side
    627,911.32x = 308,477,647,897.51
  5. Step 5: Solve for x
    x = 308,477,647,897.51/627,911.32
  6. Step 6: Final answer
    x = 491,275.82

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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.