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Finding the Fourth Proportional to 703.26, 1,054.07 and 529.37

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Solution

The fourth proportional to 703.26, 1,054.07 and 529.37 is: 793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.26 : 1,054.07 = 529.37 : x
  2. Step 2: Convert to fraction form
    703.26/1,054.07 = 529.37/x
  3. Step 3: Cross multiply
    703.26x = 1,054.07 × 529.37
  4. Step 4: Simplify right side
    703.26x = 557,993.04
  5. Step 5: Solve for x
    x = 557,993.04/703.26
  6. Step 6: Final answer
    x = 793.44

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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.