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Finding the Fourth Proportional to 566,754.68, 780,791.15 and 394,376.22

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Solution

The fourth proportional to 566,754.68, 780,791.15 and 394,376.22 is: 543,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,754.68 : 780,791.15 = 394,376.22 : x
  2. Step 2: Convert to fraction form
    566,754.68/780,791.15 = 394,376.22/x
  3. Step 3: Cross multiply
    566,754.68x = 780,791.15 × 394,376.22
  4. Step 4: Simplify right side
    566,754.68x = 307,925,462,346.45
  5. Step 5: Solve for x
    x = 307,925,462,346.45/566,754.68
  6. Step 6: Final answer
    x = 543,313.49

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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.