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Finding the Fourth Proportional to 394,681.96, 591,875.97 and 141,893.47

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Solution

The fourth proportional to 394,681.96, 591,875.97 and 141,893.47 is: 212,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,681.96 : 591,875.97 = 141,893.47 : x
  2. Step 2: Convert to fraction form
    394,681.96/591,875.97 = 141,893.47/x
  3. Step 3: Cross multiply
    394,681.96x = 591,875.97 × 141,893.47
  4. Step 4: Simplify right side
    394,681.96x = 83,983,335,192.92
  5. Step 5: Solve for x
    x = 83,983,335,192.92/394,681.96
  6. Step 6: Final answer
    x = 212,787.37

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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.