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Finding the Fourth Proportional to 466,611.90, 698,605.65 and 419,372.70

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Solution

The fourth proportional to 466,611.90, 698,605.65 and 419,372.70 is: 627,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,611.90 : 698,605.65 = 419,372.70 : x
  2. Step 2: Convert to fraction form
    466,611.90/698,605.65 = 419,372.70/x
  3. Step 3: Cross multiply
    466,611.90x = 698,605.65 × 419,372.70
  4. Step 4: Simplify right side
    466,611.90x = 292,976,137,675.76
  5. Step 5: Solve for x
    x = 292,976,137,675.76/466,611.90
  6. Step 6: Final answer
    x = 627,879.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.