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Finding the Fourth Proportional to 458.70, 632.46 and 333.96

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Solution

The fourth proportional to 458.70, 632.46 and 333.96 is: 460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.70 : 632.46 = 333.96 : x
  2. Step 2: Convert to fraction form
    458.70/632.46 = 333.96/x
  3. Step 3: Cross multiply
    458.70x = 632.46 × 333.96
  4. Step 4: Simplify right side
    458.70x = 211,216.34
  5. Step 5: Solve for x
    x = 211,216.34/458.70
  6. Step 6: Final answer
    x = 460.47

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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.