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Finding the Fourth Proportional to 792.74, 1,093.56 and 530.84

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Solution

The fourth proportional to 792.74, 1,093.56 and 530.84 is: 732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.74 : 1,093.56 = 530.84 : x
  2. Step 2: Convert to fraction form
    792.74/1,093.56 = 530.84/x
  3. Step 3: Cross multiply
    792.74x = 1,093.56 × 530.84
  4. Step 4: Simplify right side
    792.74x = 580,505.39
  5. Step 5: Solve for x
    x = 580,505.39/792.74
  6. Step 6: Final answer
    x = 732.28

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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.