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Finding the Fourth Proportional to 1,336.06, 2,004 and 555.73

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Solution

The fourth proportional to 1,336.06, 2,004 and 555.73 is: 833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.06 : 2,004 = 555.73 : x
  2. Step 2: Convert to fraction form
    1,336.06/2,004 = 555.73/x
  3. Step 3: Cross multiply
    1,336.06x = 2,004 × 555.73
  4. Step 4: Simplify right side
    1,336.06x = 1,113,682.92
  5. Step 5: Solve for x
    x = 1,113,682.92/1,336.06
  6. Step 6: Final answer
    x = 833.56

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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.