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Finding the Fourth Proportional to 271,089.48, 374,245.08 and 210,524.16

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Solution

The fourth proportional to 271,089.48, 374,245.08 and 210,524.16 is: 290,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,089.48 : 374,245.08 = 210,524.16 : x
  2. Step 2: Convert to fraction form
    271,089.48/374,245.08 = 210,524.16/x
  3. Step 3: Cross multiply
    271,089.48x = 374,245.08 × 210,524.16
  4. Step 4: Simplify right side
    271,089.48x = 78,787,631,101.13
  5. Step 5: Solve for x
    x = 78,787,631,101.13/271,089.48
  6. Step 6: Final answer
    x = 290,633.30

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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.