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Finding the Fourth Proportional to 483.57, 725.75 and 175.68

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Solution

The fourth proportional to 483.57, 725.75 and 175.68 is: 263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.57 : 725.75 = 175.68 : x
  2. Step 2: Convert to fraction form
    483.57/725.75 = 175.68/x
  3. Step 3: Cross multiply
    483.57x = 725.75 × 175.68
  4. Step 4: Simplify right side
    483.57x = 127,499.76
  5. Step 5: Solve for x
    x = 127,499.76/483.57
  6. Step 6: Final answer
    x = 263.67

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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.