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Finding the Fourth Proportional to 1,773.50, 2,660.25 and 474.94

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Solution

The fourth proportional to 1,773.50, 2,660.25 and 474.94 is: 712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.50 : 2,660.25 = 474.94 : x
  2. Step 2: Convert to fraction form
    1,773.50/2,660.25 = 474.94/x
  3. Step 3: Cross multiply
    1,773.50x = 2,660.25 × 474.94
  4. Step 4: Simplify right side
    1,773.50x = 1,263,459.14
  5. Step 5: Solve for x
    x = 1,263,459.14/1,773.50
  6. Step 6: Final answer
    x = 712.41

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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.