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Finding the Fourth Proportional to 566,751.82, 780,787.19 and 394,373.36

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Solution

The fourth proportional to 566,751.82, 780,787.19 and 394,373.36 is: 543,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,751.82 : 780,787.19 = 394,373.36 : x
  2. Step 2: Convert to fraction form
    566,751.82/780,787.19 = 394,373.36/x
  3. Step 3: Cross multiply
    566,751.82x = 780,787.19 × 394,373.36
  4. Step 4: Simplify right side
    566,751.82x = 307,921,665,002.06
  5. Step 5: Solve for x
    x = 307,921,665,002.06/566,751.82
  6. Step 6: Final answer
    x = 543,309.53

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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.