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Finding the Fourth Proportional to 465.76, 697.74 and 234.08

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Solution

The fourth proportional to 465.76, 697.74 and 234.08 is: 350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.76 : 697.74 = 234.08 : x
  2. Step 2: Convert to fraction form
    465.76/697.74 = 234.08/x
  3. Step 3: Cross multiply
    465.76x = 697.74 × 234.08
  4. Step 4: Simplify right side
    465.76x = 163,328.72
  5. Step 5: Solve for x
    x = 163,328.72/465.76
  6. Step 6: Final answer
    x = 350.67

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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.