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Finding the Fourth Proportional to 424,448.82, 585,727.88 and 240,721.11

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Solution

The fourth proportional to 424,448.82, 585,727.88 and 240,721.11 is: 332,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,448.82 : 585,727.88 = 240,721.11 : x
  2. Step 2: Convert to fraction form
    424,448.82/585,727.88 = 240,721.11/x
  3. Step 3: Cross multiply
    424,448.82x = 585,727.88 × 240,721.11
  4. Step 4: Simplify right side
    424,448.82x = 140,997,064,227.94
  5. Step 5: Solve for x
    x = 140,997,064,227.94/424,448.82
  6. Step 6: Final answer
    x = 332,188.61

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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.