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Finding the Fourth Proportional to 792.11, 1,093.47 and 522.92

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Solution

The fourth proportional to 792.11, 1,093.47 and 522.92 is: 721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.11 : 1,093.47 = 522.92 : x
  2. Step 2: Convert to fraction form
    792.11/1,093.47 = 522.92/x
  3. Step 3: Cross multiply
    792.11x = 1,093.47 × 522.92
  4. Step 4: Simplify right side
    792.11x = 571,798.11
  5. Step 5: Solve for x
    x = 571,798.11/792.11
  6. Step 6: Final answer
    x = 721.86

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Double scale
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1.5x scale

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.