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Finding the Fourth Proportional to 941.32, 1,411.98 and 248.05

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Solution

The fourth proportional to 941.32, 1,411.98 and 248.05 is: 372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.32 : 1,411.98 = 248.05 : x
  2. Step 2: Convert to fraction form
    941.32/1,411.98 = 248.05/x
  3. Step 3: Cross multiply
    941.32x = 1,411.98 × 248.05
  4. Step 4: Simplify right side
    941.32x = 350,241.64
  5. Step 5: Solve for x
    x = 350,241.64/941.32
  6. Step 6: Final answer
    x = 372.08

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Double scale
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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.