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Finding the Fourth Proportional to 627,567.75, 866,040.43 and 341,087.86

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Solution

The fourth proportional to 627,567.75, 866,040.43 and 341,087.86 is: 470,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,567.75 : 866,040.43 = 341,087.86 : x
  2. Step 2: Convert to fraction form
    627,567.75/866,040.43 = 341,087.86/x
  3. Step 3: Cross multiply
    627,567.75x = 866,040.43 × 341,087.86
  4. Step 4: Simplify right side
    627,567.75x = 295,395,876,942.18
  5. Step 5: Solve for x
    x = 295,395,876,942.18/627,567.75
  6. Step 6: Final answer
    x = 470,699.58

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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.