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Finding the Fourth Proportional to 469.92, 703.44 and 361.92

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Solution

The fourth proportional to 469.92, 703.44 and 361.92 is: 541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.92 : 703.44 = 361.92 : x
  2. Step 2: Convert to fraction form
    469.92/703.44 = 361.92/x
  3. Step 3: Cross multiply
    469.92x = 703.44 × 361.92
  4. Step 4: Simplify right side
    469.92x = 254,589.00
  5. Step 5: Solve for x
    x = 254,589.00/469.92
  6. Step 6: Final answer
    x = 541.77

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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.