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Finding the Fourth Proportional to 492,717.33, 739,012.14 and 155,791.89

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Solution

The fourth proportional to 492,717.33, 739,012.14 and 155,791.89 is: 233,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,717.33 : 739,012.14 = 155,791.89 : x
  2. Step 2: Convert to fraction form
    492,717.33/739,012.14 = 155,791.89/x
  3. Step 3: Cross multiply
    492,717.33x = 739,012.14 × 155,791.89
  4. Step 4: Simplify right side
    492,717.33x = 115,132,098,023.55
  5. Step 5: Solve for x
    x = 115,132,098,023.55/492,717.33
  6. Step 6: Final answer
    x = 233,667.64

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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.