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Finding the Fourth Proportional to 271,520.50, 374,697.08 and 150,661.51

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Solution

The fourth proportional to 271,520.50, 374,697.08 and 150,661.51 is: 207,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,520.50 : 374,697.08 = 150,661.51 : x
  2. Step 2: Convert to fraction form
    271,520.50/374,697.08 = 150,661.51/x
  3. Step 3: Cross multiply
    271,520.50x = 374,697.08 × 150,661.51
  4. Step 4: Simplify right side
    271,520.50x = 56,452,426,175.34
  5. Step 5: Solve for x
    x = 56,452,426,175.34/271,520.50
  6. Step 6: Final answer
    x = 207,912.21

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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.