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Finding the Fourth Proportional to 473.55, 653.18 and 333.96

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Solution

The fourth proportional to 473.55, 653.18 and 333.96 is: 460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.55 : 653.18 = 333.96 : x
  2. Step 2: Convert to fraction form
    473.55/653.18 = 333.96/x
  3. Step 3: Cross multiply
    473.55x = 653.18 × 333.96
  4. Step 4: Simplify right side
    473.55x = 218,134.32
  5. Step 5: Solve for x
    x = 218,134.32/473.55
  6. Step 6: Final answer
    x = 460.64

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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.