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Finding the Fourth Proportional to 464.46, 695.61 and 299.94

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Solution

The fourth proportional to 464.46, 695.61 and 299.94 is: 449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.46 : 695.61 = 299.94 : x
  2. Step 2: Convert to fraction form
    464.46/695.61 = 299.94/x
  3. Step 3: Cross multiply
    464.46x = 695.61 × 299.94
  4. Step 4: Simplify right side
    464.46x = 208,641.26
  5. Step 5: Solve for x
    x = 208,641.26/464.46
  6. Step 6: Final answer
    x = 449.21

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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.