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Finding the Fourth Proportional to 271,717.53, 374,979.84 and 150,860.72

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Solution

The fourth proportional to 271,717.53, 374,979.84 and 150,860.72 is: 208,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,717.53 : 374,979.84 = 150,860.72 : x
  2. Step 2: Convert to fraction form
    271,717.53/374,979.84 = 150,860.72/x
  3. Step 3: Cross multiply
    271,717.53x = 374,979.84 × 150,860.72
  4. Step 4: Simplify right side
    271,717.53x = 56,569,728,647.88
  5. Step 5: Solve for x
    x = 56,569,728,647.88/271,717.53
  6. Step 6: Final answer
    x = 208,193.15

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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.