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Finding the Fourth Proportional to 1,599.76, 2,399.96 and 504.46

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Solution

The fourth proportional to 1,599.76, 2,399.96 and 504.46 is: 756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.76 : 2,399.96 = 504.46 : x
  2. Step 2: Convert to fraction form
    1,599.76/2,399.96 = 504.46/x
  3. Step 3: Cross multiply
    1,599.76x = 2,399.96 × 504.46
  4. Step 4: Simplify right side
    1,599.76x = 1,210,683.82
  5. Step 5: Solve for x
    x = 1,210,683.82/1,599.76
  6. Step 6: Final answer
    x = 756.79

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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.