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Finding the Fourth Proportional to 627,737.40, 866,258.82 and 341,250.12

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Solution

The fourth proportional to 627,737.40, 866,258.82 and 341,250.12 is: 470,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,737.40 : 866,258.82 = 341,250.12 : x
  2. Step 2: Convert to fraction form
    627,737.40/866,258.82 = 341,250.12/x
  3. Step 3: Cross multiply
    627,737.40x = 866,258.82 × 341,250.12
  4. Step 4: Simplify right side
    627,737.40x = 295,610,926,276.06
  5. Step 5: Solve for x
    x = 295,610,926,276.06/627,737.40
  6. Step 6: Final answer
    x = 470,914.95

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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.