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Finding the Fourth Proportional to 332.63, 458.98 and 190.86

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Solution

The fourth proportional to 332.63, 458.98 and 190.86 is: 263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.63 : 458.98 = 190.86 : x
  2. Step 2: Convert to fraction form
    332.63/458.98 = 190.86/x
  3. Step 3: Cross multiply
    332.63x = 458.98 × 190.86
  4. Step 4: Simplify right side
    332.63x = 87,598.72
  5. Step 5: Solve for x
    x = 87,598.72/332.63
  6. Step 6: Final answer
    x = 263.35

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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.