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Finding the Fourth Proportional to 379,026.52, 568,418.82 and 154,386.52

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Solution

The fourth proportional to 379,026.52, 568,418.82 and 154,386.52 is: 231,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,026.52 : 568,418.82 = 154,386.52 : x
  2. Step 2: Convert to fraction form
    379,026.52/568,418.82 = 154,386.52/x
  3. Step 3: Cross multiply
    379,026.52x = 568,418.82 × 154,386.52
  4. Step 4: Simplify right side
    379,026.52x = 87,756,203,522.31
  5. Step 5: Solve for x
    x = 87,756,203,522.31/379,026.52
  6. Step 6: Final answer
    x = 231,530.51

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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.