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Finding the Fourth Proportional to 353,293.52, 529,928.10 and 100,575.56

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Solution

The fourth proportional to 353,293.52, 529,928.10 and 100,575.56 is: 150,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,293.52 : 529,928.10 = 100,575.56 : x
  2. Step 2: Convert to fraction form
    353,293.52/529,928.10 = 100,575.56/x
  3. Step 3: Cross multiply
    353,293.52x = 529,928.10 × 100,575.56
  4. Step 4: Simplify right side
    353,293.52x = 53,297,815,417.24
  5. Step 5: Solve for x
    x = 53,297,815,417.24/353,293.52
  6. Step 6: Final answer
    x = 150,859.87

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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.