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Finding the Fourth Proportional to 627,958.88, 866,556.88 and 356,045.04

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Solution

The fourth proportional to 627,958.88, 866,556.88 and 356,045.04 is: 491,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,958.88 : 866,556.88 = 356,045.04 : x
  2. Step 2: Convert to fraction form
    627,958.88/866,556.88 = 356,045.04/x
  3. Step 3: Cross multiply
    627,958.88x = 866,556.88 × 356,045.04
  4. Step 4: Simplify right side
    627,958.88x = 308,533,279,001.88
  5. Step 5: Solve for x
    x = 308,533,279,001.88/627,958.88
  6. Step 6: Final answer
    x = 491,327.20

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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.