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Finding the Fourth Proportional to 271,172.79, 374,098.68 and 190,652.91

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Solution

The fourth proportional to 271,172.79, 374,098.68 and 190,652.91 is: 263,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,172.79 : 374,098.68 = 190,652.91 : x
  2. Step 2: Convert to fraction form
    271,172.79/374,098.68 = 190,652.91/x
  3. Step 3: Cross multiply
    271,172.79x = 374,098.68 × 190,652.91
  4. Step 4: Simplify right side
    271,172.79x = 71,323,001,969.16
  5. Step 5: Solve for x
    x = 71,323,001,969.16/271,172.79
  6. Step 6: Final answer
    x = 263,016.81

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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.