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Finding the Fourth Proportional to 245.47, 367.77 and 176.67

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Solution

The fourth proportional to 245.47, 367.77 and 176.67 is: 264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.47 : 367.77 = 176.67 : x
  2. Step 2: Convert to fraction form
    245.47/367.77 = 176.67/x
  3. Step 3: Cross multiply
    245.47x = 367.77 × 176.67
  4. Step 4: Simplify right side
    245.47x = 64,973.93
  5. Step 5: Solve for x
    x = 64,973.93/245.47
  6. Step 6: Final answer
    x = 264.69

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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.