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Finding the Fourth Proportional to 271,901.90, 407,852.85 and 227,615.15

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Solution

The fourth proportional to 271,901.90, 407,852.85 and 227,615.15 is: 341,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,901.90 : 407,852.85 = 227,615.15 : x
  2. Step 2: Convert to fraction form
    271,901.90/407,852.85 = 227,615.15/x
  3. Step 3: Cross multiply
    271,901.90x = 407,852.85 × 227,615.15
  4. Step 4: Simplify right side
    271,901.90x = 92,833,487,630.68
  5. Step 5: Solve for x
    x = 92,833,487,630.68/271,901.90
  6. Step 6: Final answer
    x = 341,422.73

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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.