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Finding the Fourth Proportional to 1,104.92, 1,524.83 and 607.58

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Solution

The fourth proportional to 1,104.92, 1,524.83 and 607.58 is: 838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.92 : 1,524.83 = 607.58 : x
  2. Step 2: Convert to fraction form
    1,104.92/1,524.83 = 607.58/x
  3. Step 3: Cross multiply
    1,104.92x = 1,524.83 × 607.58
  4. Step 4: Simplify right side
    1,104.92x = 926,456.21
  5. Step 5: Solve for x
    x = 926,456.21/1,104.92
  6. Step 6: Final answer
    x = 838.48

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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.