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Finding the Fourth Proportional to 271,375.56, 374,065.56 and 213,921.18

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Solution

The fourth proportional to 271,375.56, 374,065.56 and 213,921.18 is: 294,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,375.56 : 374,065.56 = 213,921.18 : x
  2. Step 2: Convert to fraction form
    271,375.56/374,065.56 = 213,921.18/x
  3. Step 3: Cross multiply
    271,375.56x = 374,065.56 × 213,921.18
  4. Step 4: Simplify right side
    271,375.56x = 80,020,545,992.56
  5. Step 5: Solve for x
    x = 80,020,545,992.56/271,375.56
  6. Step 6: Final answer
    x = 294,870.13

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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.