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Finding the Fourth Proportional to 342,536.75, 472,697.24 and 189,575.24

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Solution

The fourth proportional to 342,536.75, 472,697.24 and 189,575.24 is: 261,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,536.75 : 472,697.24 = 189,575.24 : x
  2. Step 2: Convert to fraction form
    342,536.75/472,697.24 = 189,575.24/x
  3. Step 3: Cross multiply
    342,536.75x = 472,697.24 × 189,575.24
  4. Step 4: Simplify right side
    342,536.75x = 89,611,691,181.59
  5. Step 5: Solve for x
    x = 89,611,691,181.59/342,536.75
  6. Step 6: Final answer
    x = 261,611.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.