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Finding the Fourth Proportional to 807,608.14, 1,114,506.70 and 445,044.97

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Solution

The fourth proportional to 807,608.14, 1,114,506.70 and 445,044.97 is: 614,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,608.14 : 1,114,506.70 = 445,044.97 : x
  2. Step 2: Convert to fraction form
    807,608.14/1,114,506.70 = 445,044.97/x
  3. Step 3: Cross multiply
    807,608.14x = 1,114,506.70 × 445,044.97
  4. Step 4: Simplify right side
    807,608.14x = 496,005,600,866.30
  5. Step 5: Solve for x
    x = 496,005,600,866.30/807,608.14
  6. Step 6: Final answer
    x = 614,166.17

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Why These Related Problems?

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