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Finding the Fourth Proportional to 332.34, 458.22 and 314.94

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Solution

The fourth proportional to 332.34, 458.22 and 314.94 is: 434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.34 : 458.22 = 314.94 : x
  2. Step 2: Convert to fraction form
    332.34/458.22 = 314.94/x
  3. Step 3: Cross multiply
    332.34x = 458.22 × 314.94
  4. Step 4: Simplify right side
    332.34x = 144,311.81
  5. Step 5: Solve for x
    x = 144,311.81/332.34
  6. Step 6: Final answer
    x = 434.23

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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.