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Finding the Fourth Proportional to 271,070.80, 374,089.60 and 150,211.80

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Solution

The fourth proportional to 271,070.80, 374,089.60 and 150,211.80 is: 207,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,070.80 : 374,089.60 = 150,211.80 : x
  2. Step 2: Convert to fraction form
    271,070.80/374,089.60 = 150,211.80/x
  3. Step 3: Cross multiply
    271,070.80x = 374,089.60 × 150,211.80
  4. Step 4: Simplify right side
    271,070.80x = 56,192,672,177.28
  5. Step 5: Solve for x
    x = 56,192,672,177.28/271,070.80
  6. Step 6: Final answer
    x = 207,298.88

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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.