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Finding the Fourth Proportional to 464.93, 698.28 and 446.22

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Solution

The fourth proportional to 464.93, 698.28 and 446.22 is: 670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.93 : 698.28 = 446.22 : x
  2. Step 2: Convert to fraction form
    464.93/698.28 = 446.22/x
  3. Step 3: Cross multiply
    464.93x = 698.28 × 446.22
  4. Step 4: Simplify right side
    464.93x = 311,586.50
  5. Step 5: Solve for x
    x = 311,586.50/464.93
  6. Step 6: Final answer
    x = 670.19

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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.