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Finding the Fourth Proportional to 464.67, 695.70 and 349.16

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Solution

The fourth proportional to 464.67, 695.70 and 349.16 is: 522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.67 : 695.70 = 349.16 : x
  2. Step 2: Convert to fraction form
    464.67/695.70 = 349.16/x
  3. Step 3: Cross multiply
    464.67x = 695.70 × 349.16
  4. Step 4: Simplify right side
    464.67x = 242,907.13
  5. Step 5: Solve for x
    x = 242,907.13/464.67
  6. Step 6: Final answer
    x = 522.75

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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.