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Finding the Fourth Proportional to 262,813.60, 394,469.62 and 162,670.86

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Solution

The fourth proportional to 262,813.60, 394,469.62 and 162,670.86 is: 244,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,813.60 : 394,469.62 = 162,670.86 : x
  2. Step 2: Convert to fraction form
    262,813.60/394,469.62 = 162,670.86/x
  3. Step 3: Cross multiply
    262,813.60x = 394,469.62 × 162,670.86
  4. Step 4: Simplify right side
    262,813.60x = 64,168,712,329.27
  5. Step 5: Solve for x
    x = 64,168,712,329.27/262,813.60
  6. Step 6: Final answer
    x = 244,160.55

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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.