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Finding the Fourth Proportional to 627,860.83, 866,424.05 and 341,381.15

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Solution

The fourth proportional to 627,860.83, 866,424.05 and 341,381.15 is: 471,093.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,860.83 : 866,424.05 = 341,381.15 : x
  2. Step 2: Convert to fraction form
    627,860.83/866,424.05 = 341,381.15/x
  3. Step 3: Cross multiply
    627,860.83x = 866,424.05 × 341,381.15
  4. Step 4: Simplify right side
    627,860.83x = 295,780,838,576.66
  5. Step 5: Solve for x
    x = 295,780,838,576.66/627,860.83
  6. Step 6: Final answer
    x = 471,093.00

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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.