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Finding the Fourth Proportional to 627,988.12, 866,615.48 and 341,502.06

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Solution

The fourth proportional to 627,988.12, 866,615.48 and 341,502.06 is: 471,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,988.12 : 866,615.48 = 341,502.06 : x
  2. Step 2: Convert to fraction form
    627,988.12/866,615.48 = 341,502.06/x
  3. Step 3: Cross multiply
    627,988.12x = 866,615.48 × 341,502.06
  4. Step 4: Simplify right side
    627,988.12x = 295,950,970,556.58
  5. Step 5: Solve for x
    x = 295,950,970,556.58/627,988.12
  6. Step 6: Final answer
    x = 471,268.42

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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.