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Finding the Fourth Proportional to 364.88, 546.96 and 328.88

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Solution

The fourth proportional to 364.88, 546.96 and 328.88 is: 493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.88 : 546.96 = 328.88 : x
  2. Step 2: Convert to fraction form
    364.88/546.96 = 328.88/x
  3. Step 3: Cross multiply
    364.88x = 546.96 × 328.88
  4. Step 4: Simplify right side
    364.88x = 179,884.20
  5. Step 5: Solve for x
    x = 179,884.20/364.88
  6. Step 6: Final answer
    x = 493.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.