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Finding the Fourth Proportional to 271,906.72, 407,755.29 and 103,338.23

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Solution

The fourth proportional to 271,906.72, 407,755.29 and 103,338.23 is: 154,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,906.72 : 407,755.29 = 103,338.23 : x
  2. Step 2: Convert to fraction form
    271,906.72/407,755.29 = 103,338.23/x
  3. Step 3: Cross multiply
    271,906.72x = 407,755.29 × 103,338.23
  4. Step 4: Simplify right side
    271,906.72x = 42,136,710,293.46
  5. Step 5: Solve for x
    x = 42,136,710,293.46/271,906.72
  6. Step 6: Final answer
    x = 154,967.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.