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Finding the Fourth Proportional to 271,491.92, 374,693.13 and 178,436.28

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Solution

The fourth proportional to 271,491.92, 374,693.13 and 178,436.28 is: 246,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,491.92 : 374,693.13 = 178,436.28 : x
  2. Step 2: Convert to fraction form
    271,491.92/374,693.13 = 178,436.28/x
  3. Step 3: Cross multiply
    271,491.92x = 374,693.13 × 178,436.28
  4. Step 4: Simplify right side
    271,491.92x = 66,858,848,258.76
  5. Step 5: Solve for x
    x = 66,858,848,258.76/271,491.92
  6. Step 6: Final answer
    x = 246,264.60

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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.