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Finding the Fourth Proportional to 986,611.63, 1,361,524.05 and 533,902.63

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Solution

The fourth proportional to 986,611.63, 1,361,524.05 and 533,902.63 is: 736,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,611.63 : 1,361,524.05 = 533,902.63 : x
  2. Step 2: Convert to fraction form
    986,611.63/1,361,524.05 = 533,902.63/x
  3. Step 3: Cross multiply
    986,611.63x = 1,361,524.05 × 533,902.63
  4. Step 4: Simplify right side
    986,611.63x = 726,921,261,626.12
  5. Step 5: Solve for x
    x = 726,921,261,626.12/986,611.63
  6. Step 6: Final answer
    x = 736,785.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.