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Finding the Fourth Proportional to 361,606.67, 542,500.35 and 255,198.39

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Solution

The fourth proportional to 361,606.67, 542,500.35 and 255,198.39 is: 382,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,606.67 : 542,500.35 = 255,198.39 : x
  2. Step 2: Convert to fraction form
    361,606.67/542,500.35 = 255,198.39/x
  3. Step 3: Cross multiply
    361,606.67x = 542,500.35 × 255,198.39
  4. Step 4: Simplify right side
    361,606.67x = 138,445,215,894.44
  5. Step 5: Solve for x
    x = 138,445,215,894.44/361,606.67
  6. Step 6: Final answer
    x = 382,861.34

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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.