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Finding the Fourth Proportional to 941.32, 1,412.06 and 247.99

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Solution

The fourth proportional to 941.32, 1,412.06 and 247.99 is: 372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.32 : 1,412.06 = 247.99 : x
  2. Step 2: Convert to fraction form
    941.32/1,412.06 = 247.99/x
  3. Step 3: Cross multiply
    941.32x = 1,412.06 × 247.99
  4. Step 4: Simplify right side
    941.32x = 350,178.21
  5. Step 5: Solve for x
    x = 350,178.21/941.32
  6. Step 6: Final answer
    x = 372.01

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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.