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Finding the Fourth Proportional to 357,611.37, 493,512.39 and 196,476.86

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Solution

The fourth proportional to 357,611.37, 493,512.39 and 196,476.86 is: 271,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,611.37 : 493,512.39 = 196,476.86 : x
  2. Step 2: Convert to fraction form
    357,611.37/493,512.39 = 196,476.86/x
  3. Step 3: Cross multiply
    357,611.37x = 493,512.39 × 196,476.86
  4. Step 4: Simplify right side
    357,611.37x = 96,963,762,290.73
  5. Step 5: Solve for x
    x = 96,963,762,290.73/357,611.37
  6. Step 6: Final answer
    x = 271,142.84

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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.