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Finding the Fourth Proportional to 435.18, 652.76 and 175.24

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Solution

The fourth proportional to 435.18, 652.76 and 175.24 is: 262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.18 : 652.76 = 175.24 : x
  2. Step 2: Convert to fraction form
    435.18/652.76 = 175.24/x
  3. Step 3: Cross multiply
    435.18x = 652.76 × 175.24
  4. Step 4: Simplify right side
    435.18x = 114,389.66
  5. Step 5: Solve for x
    x = 114,389.66/435.18
  6. Step 6: Final answer
    x = 262.86

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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.