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Finding the Fourth Proportional to 792.52, 1,093.98 and 530.44

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Solution

The fourth proportional to 792.52, 1,093.98 and 530.44 is: 732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.52 : 1,093.98 = 530.44 : x
  2. Step 2: Convert to fraction form
    792.52/1,093.98 = 530.44/x
  3. Step 3: Cross multiply
    792.52x = 1,093.98 × 530.44
  4. Step 4: Simplify right side
    792.52x = 580,290.75
  5. Step 5: Solve for x
    x = 580,290.75/792.52
  6. Step 6: Final answer
    x = 732.21

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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.