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Finding the Fourth Proportional to 271,605.44, 374,861.90 and 156,863.46

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Solution

The fourth proportional to 271,605.44, 374,861.90 and 156,863.46 is: 216,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,605.44 : 374,861.90 = 156,863.46 : x
  2. Step 2: Convert to fraction form
    271,605.44/374,861.90 = 156,863.46/x
  3. Step 3: Cross multiply
    271,605.44x = 374,861.90 × 156,863.46
  4. Step 4: Simplify right side
    271,605.44x = 58,802,133,871.86
  5. Step 5: Solve for x
    x = 58,802,133,871.86/271,605.44
  6. Step 6: Final answer
    x = 216,498.36

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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.