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Finding the Fourth Proportional to 271,994.67, 405,258.24 and 256,715.44

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Solution

The fourth proportional to 271,994.67, 405,258.24 and 256,715.44 is: 382,492.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,994.67 : 405,258.24 = 256,715.44 : x
  2. Step 2: Convert to fraction form
    271,994.67/405,258.24 = 256,715.44/x
  3. Step 3: Cross multiply
    271,994.67x = 405,258.24 × 256,715.44
  4. Step 4: Simplify right side
    271,994.67x = 104,036,046,382.08
  5. Step 5: Solve for x
    x = 104,036,046,382.08/271,994.67
  6. Step 6: Final answer
    x = 382,492.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.