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Finding the Fourth Proportional to 1,599.37, 2,399.02 and 503.80

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Solution

The fourth proportional to 1,599.37, 2,399.02 and 503.80 is: 755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.37 : 2,399.02 = 503.80 : x
  2. Step 2: Convert to fraction form
    1,599.37/2,399.02 = 503.80/x
  3. Step 3: Cross multiply
    1,599.37x = 2,399.02 × 503.80
  4. Step 4: Simplify right side
    1,599.37x = 1,208,626.28
  5. Step 5: Solve for x
    x = 1,208,626.28/1,599.37
  6. Step 6: Final answer
    x = 755.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.