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Finding the Fourth Proportional to 365.94, 546.54 and 317.34

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Solution

The fourth proportional to 365.94, 546.54 and 317.34 is: 473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.94 : 546.54 = 317.34 : x
  2. Step 2: Convert to fraction form
    365.94/546.54 = 317.34/x
  3. Step 3: Cross multiply
    365.94x = 546.54 × 317.34
  4. Step 4: Simplify right side
    365.94x = 173,439.00
  5. Step 5: Solve for x
    x = 173,439.00/365.94
  6. Step 6: Final answer
    x = 473.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.