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Finding the Fourth Proportional to 627,796.51, 866,354.91 and 341,316.61

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Solution

The fourth proportional to 627,796.51, 866,354.91 and 341,316.61 is: 471,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,796.51 : 866,354.91 = 341,316.61 : x
  2. Step 2: Convert to fraction form
    627,796.51/866,354.91 = 341,316.61/x
  3. Step 3: Cross multiply
    627,796.51x = 866,354.91 × 341,316.61
  4. Step 4: Simplify right side
    627,796.51x = 295,701,320,938.06
  5. Step 5: Solve for x
    x = 295,701,320,938.06/627,796.51
  6. Step 6: Final answer
    x = 471,014.60

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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.