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Finding the Fourth Proportional to 792.99, 1,187.46 and 532.71

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Solution

The fourth proportional to 792.99, 1,187.46 and 532.71 is: 797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.99 : 1,187.46 = 532.71 : x
  2. Step 2: Convert to fraction form
    792.99/1,187.46 = 532.71/x
  3. Step 3: Cross multiply
    792.99x = 1,187.46 × 532.71
  4. Step 4: Simplify right side
    792.99x = 632,571.82
  5. Step 5: Solve for x
    x = 632,571.82/792.99
  6. Step 6: Final answer
    x = 797.70

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Double scale
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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.