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Finding the Fourth Proportional to 694.03, 957.13 and 460.75

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Solution

The fourth proportional to 694.03, 957.13 and 460.75 is: 635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.03 : 957.13 = 460.75 : x
  2. Step 2: Convert to fraction form
    694.03/957.13 = 460.75/x
  3. Step 3: Cross multiply
    694.03x = 957.13 × 460.75
  4. Step 4: Simplify right side
    694.03x = 440,997.65
  5. Step 5: Solve for x
    x = 440,997.65/694.03
  6. Step 6: Final answer
    x = 635.42

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Half scale
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Double scale
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Similar ratio
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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.