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Finding the Fourth Proportional to 394,681.43, 544,702.59 and 241,821.07

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Solution

The fourth proportional to 394,681.43, 544,702.59 and 241,821.07 is: 333,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,681.43 : 544,702.59 = 241,821.07 : x
  2. Step 2: Convert to fraction form
    394,681.43/544,702.59 = 241,821.07/x
  3. Step 3: Cross multiply
    394,681.43x = 544,702.59 × 241,821.07
  4. Step 4: Simplify right side
    394,681.43x = 131,720,559,212.95
  5. Step 5: Solve for x
    x = 131,720,559,212.95/394,681.43
  6. Step 6: Final answer
    x = 333,738.93

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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.