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Finding the Fourth Proportional to 262,936.98, 394,405.47 and 240,127.38

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Solution

The fourth proportional to 262,936.98, 394,405.47 and 240,127.38 is: 360,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,936.98 : 394,405.47 = 240,127.38 : x
  2. Step 2: Convert to fraction form
    262,936.98/394,405.47 = 240,127.38/x
  3. Step 3: Cross multiply
    262,936.98x = 394,405.47 × 240,127.38
  4. Step 4: Simplify right side
    262,936.98x = 94,707,552,168.77
  5. Step 5: Solve for x
    x = 94,707,552,168.77/262,936.98
  6. Step 6: Final answer
    x = 360,191.07

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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.