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Finding the Fourth Proportional to 474.41, 710.35 and 268.67

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Solution

The fourth proportional to 474.41, 710.35 and 268.67 is: 402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.41 : 710.35 = 268.67 : x
  2. Step 2: Convert to fraction form
    474.41/710.35 = 268.67/x
  3. Step 3: Cross multiply
    474.41x = 710.35 × 268.67
  4. Step 4: Simplify right side
    474.41x = 190,849.73
  5. Step 5: Solve for x
    x = 190,849.73/474.41
  6. Step 6: Final answer
    x = 402.29

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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.