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Finding the Fourth Proportional to 328,818.35, 493,241.88 and 104,195.34

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Solution

The fourth proportional to 328,818.35, 493,241.88 and 104,195.34 is: 156,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,818.35 : 493,241.88 = 104,195.34 : x
  2. Step 2: Convert to fraction form
    328,818.35/493,241.88 = 104,195.34/x
  3. Step 3: Cross multiply
    328,818.35x = 493,241.88 × 104,195.34
  4. Step 4: Simplify right side
    328,818.35x = 51,393,505,388.84
  5. Step 5: Solve for x
    x = 51,393,505,388.84/328,818.35
  6. Step 6: Final answer
    x = 156,297.56

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1.5x scale

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.