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Finding the Fourth Proportional to 606.32, 836.76 and 344.24

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Solution

The fourth proportional to 606.32, 836.76 and 344.24 is: 475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.32 : 836.76 = 344.24 : x
  2. Step 2: Convert to fraction form
    606.32/836.76 = 344.24/x
  3. Step 3: Cross multiply
    606.32x = 836.76 × 344.24
  4. Step 4: Simplify right side
    606.32x = 288,046.26
  5. Step 5: Solve for x
    x = 288,046.26/606.32
  6. Step 6: Final answer
    x = 475.07

Related Problems

Find fourth proportional to 303.16, 418.38 and 172.12
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.