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Finding the Fourth Proportional to 1,199.52, 1,798.92 and 333.63

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Solution

The fourth proportional to 1,199.52, 1,798.92 and 333.63 is: 500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.52 : 1,798.92 = 333.63 : x
  2. Step 2: Convert to fraction form
    1,199.52/1,798.92 = 333.63/x
  3. Step 3: Cross multiply
    1,199.52x = 1,798.92 × 333.63
  4. Step 4: Simplify right side
    1,199.52x = 600,173.68
  5. Step 5: Solve for x
    x = 600,173.68/1,199.52
  6. Step 6: Final answer
    x = 500.34

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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.