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Finding the Fourth Proportional to 892,806.66, 1,337,810.32 and 759,137.22

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Solution

The fourth proportional to 892,806.66, 1,337,810.32 and 759,137.22 is: 1,137,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,806.66 : 1,337,810.32 = 759,137.22 : x
  2. Step 2: Convert to fraction form
    892,806.66/1,337,810.32 = 759,137.22/x
  3. Step 3: Cross multiply
    892,806.66x = 1,337,810.32 × 759,137.22
  4. Step 4: Simplify right side
    892,806.66x = 1,015,581,607,212.11
  5. Step 5: Solve for x
    x = 1,015,581,607,212.11/892,806.66
  6. Step 6: Final answer
    x = 1,137,515.72

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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.