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Finding the Fourth Proportional to 262.04, 392.57 and 175.11

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Solution

The fourth proportional to 262.04, 392.57 and 175.11 is: 262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.04 : 392.57 = 175.11 : x
  2. Step 2: Convert to fraction form
    262.04/392.57 = 175.11/x
  3. Step 3: Cross multiply
    262.04x = 392.57 × 175.11
  4. Step 4: Simplify right side
    262.04x = 68,744.19
  5. Step 5: Solve for x
    x = 68,744.19/262.04
  6. Step 6: Final answer
    x = 262.34

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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.