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Finding the Fourth Proportional to 464.56, 697.72 and 444.08

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Solution

The fourth proportional to 464.56, 697.72 and 444.08 is: 666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.56 : 697.72 = 444.08 : x
  2. Step 2: Convert to fraction form
    464.56/697.72 = 444.08/x
  3. Step 3: Cross multiply
    464.56x = 697.72 × 444.08
  4. Step 4: Simplify right side
    464.56x = 309,843.50
  5. Step 5: Solve for x
    x = 309,843.50/464.56
  6. Step 6: Final answer
    x = 666.96

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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.