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Finding the Fourth Proportional to 609.93, 914.20 and 244.53

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Solution

The fourth proportional to 609.93, 914.20 and 244.53 is: 366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.93 : 914.20 = 244.53 : x
  2. Step 2: Convert to fraction form
    609.93/914.20 = 244.53/x
  3. Step 3: Cross multiply
    609.93x = 914.20 × 244.53
  4. Step 4: Simplify right side
    609.93x = 223,548.71
  5. Step 5: Solve for x
    x = 223,548.71/609.93
  6. Step 6: Final answer
    x = 366.52

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.