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Finding the Fourth Proportional to 875,665.72, 1,310,604.45 and 796,977.46

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Solution

The fourth proportional to 875,665.72, 1,310,604.45 and 796,977.46 is: 1,192,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,665.72 : 1,310,604.45 = 796,977.46 : x
  2. Step 2: Convert to fraction form
    875,665.72/1,310,604.45 = 796,977.46/x
  3. Step 3: Cross multiply
    875,665.72x = 1,310,604.45 × 796,977.46
  4. Step 4: Simplify right side
    875,665.72x = 1,044,522,205,625.70
  5. Step 5: Solve for x
    x = 1,044,522,205,625.70/875,665.72
  6. Step 6: Final answer
    x = 1,192,832.13

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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.