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Finding the Fourth Proportional to 364.10, 546.10 and 133.00

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Solution

The fourth proportional to 364.10, 546.10 and 133.00 is: 199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.10 : 546.10 = 133.00 : x
  2. Step 2: Convert to fraction form
    364.10/546.10 = 133.00/x
  3. Step 3: Cross multiply
    364.10x = 546.10 × 133.00
  4. Step 4: Simplify right side
    364.10x = 72,629.60
  5. Step 5: Solve for x
    x = 72,629.60/364.10
  6. Step 6: Final answer
    x = 199.48

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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.