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Finding the Fourth Proportional to 353,297.78, 529,934.49 and 100,579.82

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Solution

The fourth proportional to 353,297.78, 529,934.49 and 100,579.82 is: 150,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,297.78 : 529,934.49 = 100,579.82 : x
  2. Step 2: Convert to fraction form
    353,297.78/529,934.49 = 100,579.82/x
  3. Step 3: Cross multiply
    353,297.78x = 529,934.49 × 100,579.82
  4. Step 4: Simplify right side
    353,297.78x = 53,300,715,615.99
  5. Step 5: Solve for x
    x = 53,300,715,615.99/353,297.78
  6. Step 6: Final answer
    x = 150,866.26

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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.