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Finding the Fourth Proportional to 374,414.60, 561,621.90 and 164,462.60

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Solution

The fourth proportional to 374,414.60, 561,621.90 and 164,462.60 is: 246,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,414.60 : 561,621.90 = 164,462.60 : x
  2. Step 2: Convert to fraction form
    374,414.60/561,621.90 = 164,462.60/x
  3. Step 3: Cross multiply
    374,414.60x = 561,621.90 × 164,462.60
  4. Step 4: Simplify right side
    374,414.60x = 92,365,797,890.94
  5. Step 5: Solve for x
    x = 92,365,797,890.94/374,414.60
  6. Step 6: Final answer
    x = 246,693.90

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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.