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Finding the Fourth Proportional to 845.52, 1,166.82 and 496.24

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Solution

The fourth proportional to 845.52, 1,166.82 and 496.24 is: 684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.52 : 1,166.82 = 496.24 : x
  2. Step 2: Convert to fraction form
    845.52/1,166.82 = 496.24/x
  3. Step 3: Cross multiply
    845.52x = 1,166.82 × 496.24
  4. Step 4: Simplify right side
    845.52x = 579,022.76
  5. Step 5: Solve for x
    x = 579,022.76/845.52
  6. Step 6: Final answer
    x = 684.81

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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.