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Finding the Fourth Proportional to 435.26, 652.90 and 175.16

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Solution

The fourth proportional to 435.26, 652.90 and 175.16 is: 262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.26 : 652.90 = 175.16 : x
  2. Step 2: Convert to fraction form
    435.26/652.90 = 175.16/x
  3. Step 3: Cross multiply
    435.26x = 652.90 × 175.16
  4. Step 4: Simplify right side
    435.26x = 114,361.96
  5. Step 5: Solve for x
    x = 114,361.96/435.26
  6. Step 6: Final answer
    x = 262.74

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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.