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Finding the Fourth Proportional to 262,690.60, 394,035.90 and 152,098.60

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Solution

The fourth proportional to 262,690.60, 394,035.90 and 152,098.60 is: 228,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,690.60 : 394,035.90 = 152,098.60 : x
  2. Step 2: Convert to fraction form
    262,690.60/394,035.90 = 152,098.60/x
  3. Step 3: Cross multiply
    262,690.60x = 394,035.90 × 152,098.60
  4. Step 4: Simplify right side
    262,690.60x = 59,932,308,739.74
  5. Step 5: Solve for x
    x = 59,932,308,739.74/262,690.60
  6. Step 6: Final answer
    x = 228,147.90

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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.