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Finding the Fourth Proportional to 418,573.82, 627,846.62 and 181,916.52

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Solution

The fourth proportional to 418,573.82, 627,846.62 and 181,916.52 is: 272,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,573.82 : 627,846.62 = 181,916.52 : x
  2. Step 2: Convert to fraction form
    418,573.82/627,846.62 = 181,916.52/x
  3. Step 3: Cross multiply
    418,573.82x = 627,846.62 × 181,916.52
  4. Step 4: Simplify right side
    418,573.82x = 114,215,672,204.16
  5. Step 5: Solve for x
    x = 114,215,672,204.16/418,573.82
  6. Step 6: Final answer
    x = 272,868.65

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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.