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Finding the Fourth Proportional to 792.35, 1,093.59 and 460.76

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Solution

The fourth proportional to 792.35, 1,093.59 and 460.76 is: 635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.35 : 1,093.59 = 460.76 : x
  2. Step 2: Convert to fraction form
    792.35/1,093.59 = 460.76/x
  3. Step 3: Cross multiply
    792.35x = 1,093.59 × 460.76
  4. Step 4: Simplify right side
    792.35x = 503,877.06
  5. Step 5: Solve for x
    x = 503,877.06/792.35
  6. Step 6: Final answer
    x = 635.93

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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.