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Finding the Fourth Proportional to 1,093.79, 1,509.42 and 596.43

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Solution

The fourth proportional to 1,093.79, 1,509.42 and 596.43 is: 823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.79 : 1,509.42 = 596.43 : x
  2. Step 2: Convert to fraction form
    1,093.79/1,509.42 = 596.43/x
  3. Step 3: Cross multiply
    1,093.79x = 1,509.42 × 596.43
  4. Step 4: Simplify right side
    1,093.79x = 900,263.37
  5. Step 5: Solve for x
    x = 900,263.37/1,093.79
  6. Step 6: Final answer
    x = 823.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.