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Finding the Fourth Proportional to 505.38, 696.96 and 337.04

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Solution

The fourth proportional to 505.38, 696.96 and 337.04 is: 464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    505.38 : 696.96 = 337.04 : x
  2. Step 2: Convert to fraction form
    505.38/696.96 = 337.04/x
  3. Step 3: Cross multiply
    505.38x = 696.96 × 337.04
  4. Step 4: Simplify right side
    505.38x = 234,899.91
  5. Step 5: Solve for x
    x = 234,899.91/505.38
  6. Step 6: Final answer
    x = 464.80

Related Problems

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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.