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Finding the Fourth Proportional to 468.72, 704.16 and 325.08

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Solution

The fourth proportional to 468.72, 704.16 and 325.08 is: 488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.72 : 704.16 = 325.08 : x
  2. Step 2: Convert to fraction form
    468.72/704.16 = 325.08/x
  3. Step 3: Cross multiply
    468.72x = 704.16 × 325.08
  4. Step 4: Simplify right side
    468.72x = 228,908.33
  5. Step 5: Solve for x
    x = 228,908.33/468.72
  6. Step 6: Final answer
    x = 488.37

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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.