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Finding the Fourth Proportional to 338.03, 466.50 and 207

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Solution

The fourth proportional to 338.03, 466.50 and 207 is: 285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.03 : 466.50 = 207 : x
  2. Step 2: Convert to fraction form
    338.03/466.50 = 207/x
  3. Step 3: Cross multiply
    338.03x = 466.50 × 207
  4. Step 4: Simplify right side
    338.03x = 96,565.50
  5. Step 5: Solve for x
    x = 96,565.50/338.03
  6. Step 6: Final answer
    x = 285.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.