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Finding the Fourth Proportional to 1,604.08, 2,404.68 and 832.24

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Solution

The fourth proportional to 1,604.08, 2,404.68 and 832.24 is: 1,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.08 : 2,404.68 = 832.24 : x
  2. Step 2: Convert to fraction form
    1,604.08/2,404.68 = 832.24/x
  3. Step 3: Cross multiply
    1,604.08x = 2,404.68 × 832.24
  4. Step 4: Simplify right side
    1,604.08x = 2,001,270.88
  5. Step 5: Solve for x
    x = 2,001,270.88/1,604.08
  6. Step 6: Final answer
    x = 1,247.61

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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.