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Finding the Fourth Proportional to 335.08, 461.64 and 316.84

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Solution

The fourth proportional to 335.08, 461.64 and 316.84 is: 436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.08 : 461.64 = 316.84 : x
  2. Step 2: Convert to fraction form
    335.08/461.64 = 316.84/x
  3. Step 3: Cross multiply
    335.08x = 461.64 × 316.84
  4. Step 4: Simplify right side
    335.08x = 146,266.02
  5. Step 5: Solve for x
    x = 146,266.02/335.08
  6. Step 6: Final answer
    x = 436.51

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Why These Related Problems?

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