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Finding the Fourth Proportional to 1,336.80, 2,004.99 and 362.98

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Solution

The fourth proportional to 1,336.80, 2,004.99 and 362.98 is: 544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.80 : 2,004.99 = 362.98 : x
  2. Step 2: Convert to fraction form
    1,336.80/2,004.99 = 362.98/x
  3. Step 3: Cross multiply
    1,336.80x = 2,004.99 × 362.98
  4. Step 4: Simplify right side
    1,336.80x = 727,772.42
  5. Step 5: Solve for x
    x = 727,772.42/1,336.80
  6. Step 6: Final answer
    x = 544.41

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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.