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Finding the Fourth Proportional to 941.49, 1,412.24 and 325.17

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Solution

The fourth proportional to 941.49, 1,412.24 and 325.17 is: 487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.49 : 1,412.24 = 325.17 : x
  2. Step 2: Convert to fraction form
    941.49/1,412.24 = 325.17/x
  3. Step 3: Cross multiply
    941.49x = 1,412.24 × 325.17
  4. Step 4: Simplify right side
    941.49x = 459,216.45
  5. Step 5: Solve for x
    x = 459,216.45/941.49
  6. Step 6: Final answer
    x = 487.76

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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.