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Finding the Fourth Proportional to 627,873.84, 866,463.84 and 341,391.60

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Solution

The fourth proportional to 627,873.84, 866,463.84 and 341,391.60 is: 471,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,873.84 : 866,463.84 = 341,391.60 : x
  2. Step 2: Convert to fraction form
    627,873.84/866,463.84 = 341,391.60/x
  3. Step 3: Cross multiply
    627,873.84x = 866,463.84 × 341,391.60
  4. Step 4: Simplify right side
    627,873.84x = 295,803,476,679.74
  5. Step 5: Solve for x
    x = 295,803,476,679.74/627,873.84
  6. Step 6: Final answer
    x = 471,119.29

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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.