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Finding the Fourth Proportional to 353,297.28, 529,933.74 and 100,579.32

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Solution

The fourth proportional to 353,297.28, 529,933.74 and 100,579.32 is: 150,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,297.28 : 529,933.74 = 100,579.32 : x
  2. Step 2: Convert to fraction form
    353,297.28/529,933.74 = 100,579.32/x
  3. Step 3: Cross multiply
    353,297.28x = 529,933.74 × 100,579.32
  4. Step 4: Simplify right side
    353,297.28x = 53,300,375,214.26
  5. Step 5: Solve for x
    x = 53,300,375,214.26/353,297.28
  6. Step 6: Final answer
    x = 150,865.51

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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.