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Finding the Fourth Proportional to 418,576.18, 627,850.23 and 181,918.84

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Solution

The fourth proportional to 418,576.18, 627,850.23 and 181,918.84 is: 272,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,576.18 : 627,850.23 = 181,918.84 : x
  2. Step 2: Convert to fraction form
    418,576.18/627,850.23 = 181,918.84/x
  3. Step 3: Cross multiply
    418,576.18x = 627,850.23 × 181,918.84
  4. Step 4: Simplify right side
    418,576.18x = 114,217,785,535.33
  5. Step 5: Solve for x
    x = 114,217,785,535.33/418,576.18
  6. Step 6: Final answer
    x = 272,872.16

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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.