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Finding the Fourth Proportional to 1,596.39, 2,393.79 and 556.03

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Solution

The fourth proportional to 1,596.39, 2,393.79 and 556.03 is: 833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.39 : 2,393.79 = 556.03 : x
  2. Step 2: Convert to fraction form
    1,596.39/2,393.79 = 556.03/x
  3. Step 3: Cross multiply
    1,596.39x = 2,393.79 × 556.03
  4. Step 4: Simplify right side
    1,596.39x = 1,331,019.05
  5. Step 5: Solve for x
    x = 1,331,019.05/1,596.39
  6. Step 6: Final answer
    x = 833.77

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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.