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Finding the Fourth Proportional to 279,361.92, 385,468.40 and 182,540.16

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Solution

The fourth proportional to 279,361.92, 385,468.40 and 182,540.16 is: 251,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,361.92 : 385,468.40 = 182,540.16 : x
  2. Step 2: Convert to fraction form
    279,361.92/385,468.40 = 182,540.16/x
  3. Step 3: Cross multiply
    279,361.92x = 385,468.40 × 182,540.16
  4. Step 4: Simplify right side
    279,361.92x = 70,363,463,410.94
  5. Step 5: Solve for x
    x = 70,363,463,410.94/279,361.92
  6. Step 6: Final answer
    x = 251,872.06

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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.