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Finding the Fourth Proportional to 627,849.83, 866,422.55 and 341,377.13

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Solution

The fourth proportional to 627,849.83, 866,422.55 and 341,377.13 is: 471,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,849.83 : 866,422.55 = 341,377.13 : x
  2. Step 2: Convert to fraction form
    627,849.83/866,422.55 = 341,377.13/x
  3. Step 3: Cross multiply
    627,849.83x = 866,422.55 × 341,377.13
  4. Step 4: Simplify right side
    627,849.83x = 295,776,843,486.28
  5. Step 5: Solve for x
    x = 295,776,843,486.28/627,849.83
  6. Step 6: Final answer
    x = 471,094.89

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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.