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Finding the Fourth Proportional to 464.28, 637.29 and 410.65

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Solution

The fourth proportional to 464.28, 637.29 and 410.65 is: 563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.28 : 637.29 = 410.65 : x
  2. Step 2: Convert to fraction form
    464.28/637.29 = 410.65/x
  3. Step 3: Cross multiply
    464.28x = 637.29 × 410.65
  4. Step 4: Simplify right side
    464.28x = 261,699.95
  5. Step 5: Solve for x
    x = 261,699.95/464.28
  6. Step 6: Final answer
    x = 563.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.