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Finding the Fourth Proportional to 544,142.16, 816,215.16 and 165,066.12

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Solution

The fourth proportional to 544,142.16, 816,215.16 and 165,066.12 is: 247,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,142.16 : 816,215.16 = 165,066.12 : x
  2. Step 2: Convert to fraction form
    544,142.16/816,215.16 = 165,066.12/x
  3. Step 3: Cross multiply
    544,142.16x = 816,215.16 × 165,066.12
  4. Step 4: Simplify right side
    544,142.16x = 134,729,469,546.38
  5. Step 5: Solve for x
    x = 134,729,469,546.38/544,142.16
  6. Step 6: Final answer
    x = 247,599.76

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Double scale
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Similar ratio
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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.