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Finding the Fourth Proportional to 807,744.80, 1,114,682.64 and 445,169

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Solution

The fourth proportional to 807,744.80, 1,114,682.64 and 445,169 is: 614,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,744.80 : 1,114,682.64 = 445,169 : x
  2. Step 2: Convert to fraction form
    807,744.80/1,114,682.64 = 445,169/x
  3. Step 3: Cross multiply
    807,744.80x = 1,114,682.64 × 445,169
  4. Step 4: Simplify right side
    807,744.80x = 496,222,156,166.16
  5. Step 5: Solve for x
    x = 496,222,156,166.16/807,744.80
  6. Step 6: Final answer
    x = 614,330.36

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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.