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Finding the Fourth Proportional to 835.92, 1,153.17 and 504.23

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Solution

The fourth proportional to 835.92, 1,153.17 and 504.23 is: 695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.92 : 1,153.17 = 504.23 : x
  2. Step 2: Convert to fraction form
    835.92/1,153.17 = 504.23/x
  3. Step 3: Cross multiply
    835.92x = 1,153.17 × 504.23
  4. Step 4: Simplify right side
    835.92x = 581,457.14
  5. Step 5: Solve for x
    x = 581,457.14/835.92
  6. Step 6: Final answer
    x = 695.59

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Double scale
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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.