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Finding the Fourth Proportional to 5,397,361.60, 8,096,949.60 and 1,611,227.20

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Solution

The fourth proportional to 5,397,361.60, 8,096,949.60 and 1,611,227.20 is: 2,417,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397,361.60 : 8,096,949.60 = 1,611,227.20 : x
  2. Step 2: Convert to fraction form
    5,397,361.60/8,096,949.60 = 1,611,227.20/x
  3. Step 3: Cross multiply
    5,397,361.60x = 8,096,949.60 × 1,611,227.20
  4. Step 4: Simplify right side
    5,397,361.60x = 13,046,025,432,549.12
  5. Step 5: Solve for x
    x = 13,046,025,432,549.12/5,397,361.60
  6. Step 6: Final answer
    x = 2,417,111.62

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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.