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Finding the Fourth Proportional to 464.40, 696.24 and 301.68

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Solution

The fourth proportional to 464.40, 696.24 and 301.68 is: 452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.40 : 696.24 = 301.68 : x
  2. Step 2: Convert to fraction form
    464.40/696.24 = 301.68/x
  3. Step 3: Cross multiply
    464.40x = 696.24 × 301.68
  4. Step 4: Simplify right side
    464.40x = 210,041.68
  5. Step 5: Solve for x
    x = 210,041.68/464.40
  6. Step 6: Final answer
    x = 452.29

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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.