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Finding the Fourth Proportional to 333.16, 459.77 and 193.32

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Solution

The fourth proportional to 333.16, 459.77 and 193.32 is: 266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.16 : 459.77 = 193.32 : x
  2. Step 2: Convert to fraction form
    333.16/459.77 = 193.32/x
  3. Step 3: Cross multiply
    333.16x = 459.77 × 193.32
  4. Step 4: Simplify right side
    333.16x = 88,881.77
  5. Step 5: Solve for x
    x = 88,881.77/333.16
  6. Step 6: Final answer
    x = 266.79

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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.