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Finding the Fourth Proportional to 404,676.44, 606,955.14 and 161,516.12

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Solution

The fourth proportional to 404,676.44, 606,955.14 and 161,516.12 is: 242,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,676.44 : 606,955.14 = 161,516.12 : x
  2. Step 2: Convert to fraction form
    404,676.44/606,955.14 = 161,516.12/x
  3. Step 3: Cross multiply
    404,676.44x = 606,955.14 × 161,516.12
  4. Step 4: Simplify right side
    404,676.44x = 98,033,039,226.86
  5. Step 5: Solve for x
    x = 98,033,039,226.86/404,676.44
  6. Step 6: Final answer
    x = 242,250.42

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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.