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Finding the Fourth Proportional to 490,963.34, 736,212.33 and 171,003.62

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Solution

The fourth proportional to 490,963.34, 736,212.33 and 171,003.62 is: 256,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,963.34 : 736,212.33 = 171,003.62 : x
  2. Step 2: Convert to fraction form
    490,963.34/736,212.33 = 171,003.62/x
  3. Step 3: Cross multiply
    490,963.34x = 736,212.33 × 171,003.62
  4. Step 4: Simplify right side
    490,963.34x = 125,894,969,837.57
  5. Step 5: Solve for x
    x = 125,894,969,837.57/490,963.34
  6. Step 6: Final answer
    x = 256,424.38

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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.