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Finding the Fourth Proportional to 332.94, 459.54 and 216.30

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Solution

The fourth proportional to 332.94, 459.54 and 216.30 is: 298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.94 : 459.54 = 216.30 : x
  2. Step 2: Convert to fraction form
    332.94/459.54 = 216.30/x
  3. Step 3: Cross multiply
    332.94x = 459.54 × 216.30
  4. Step 4: Simplify right side
    332.94x = 99,398.50
  5. Step 5: Solve for x
    x = 99,398.50/332.94
  6. Step 6: Final answer
    x = 298.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.