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Finding the Fourth Proportional to 627,737.90, 866,259.51 and 341,250.62

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Solution

The fourth proportional to 627,737.90, 866,259.51 and 341,250.62 is: 470,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,737.90 : 866,259.51 = 341,250.62 : x
  2. Step 2: Convert to fraction form
    627,737.90/866,259.51 = 341,250.62/x
  3. Step 3: Cross multiply
    627,737.90x = 866,259.51 × 341,250.62
  4. Step 4: Simplify right side
    627,737.90x = 295,611,594,868.40
  5. Step 5: Solve for x
    x = 295,611,594,868.40/627,737.90
  6. Step 6: Final answer
    x = 470,915.64

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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.