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Finding the Fourth Proportional to 627,596.70, 866,084.55 and 341,116.02

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Solution

The fourth proportional to 627,596.70, 866,084.55 and 341,116.02 is: 470,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,596.70 : 866,084.55 = 341,116.02 : x
  2. Step 2: Convert to fraction form
    627,596.70/866,084.55 = 341,116.02/x
  3. Step 3: Cross multiply
    627,596.70x = 866,084.55 × 341,116.02
  4. Step 4: Simplify right side
    627,596.70x = 295,435,314,679.49
  5. Step 5: Solve for x
    x = 295,435,314,679.49/627,596.70
  6. Step 6: Final answer
    x = 470,740.71

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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.