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Finding the Fourth Proportional to 332.30, 459.20 and 253.53

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Solution

The fourth proportional to 332.30, 459.20 and 253.53 is: 350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.30 : 459.20 = 253.53 : x
  2. Step 2: Convert to fraction form
    332.30/459.20 = 253.53/x
  3. Step 3: Cross multiply
    332.30x = 459.20 × 253.53
  4. Step 4: Simplify right side
    332.30x = 116,421.61
  5. Step 5: Solve for x
    x = 116,421.61/332.30
  6. Step 6: Final answer
    x = 350.35

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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.