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Finding the Fourth Proportional to 469.44, 704.44 and 253.16

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Solution

The fourth proportional to 469.44, 704.44 and 253.16 is: 379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.44 : 704.44 = 253.16 : x
  2. Step 2: Convert to fraction form
    469.44/704.44 = 253.16/x
  3. Step 3: Cross multiply
    469.44x = 704.44 × 253.16
  4. Step 4: Simplify right side
    469.44x = 178,336.03
  5. Step 5: Solve for x
    x = 178,336.03/469.44
  6. Step 6: Final answer
    x = 379.89

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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.