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Finding the Fourth Proportional to 892,515.22, 1,231,366.84 and 570,411.12

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Solution

The fourth proportional to 892,515.22, 1,231,366.84 and 570,411.12 is: 786,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,515.22 : 1,231,366.84 = 570,411.12 : x
  2. Step 2: Convert to fraction form
    892,515.22/1,231,366.84 = 570,411.12/x
  3. Step 3: Cross multiply
    892,515.22x = 1,231,366.84 × 570,411.12
  4. Step 4: Simplify right side
    892,515.22x = 702,385,344,735.42
  5. Step 5: Solve for x
    x = 702,385,344,735.42/892,515.22
  6. Step 6: Final answer
    x = 786,972.96

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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.