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Finding the Fourth Proportional to 473.64, 653.59 and 263.84

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Solution

The fourth proportional to 473.64, 653.59 and 263.84 is: 364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.64 : 653.59 = 263.84 : x
  2. Step 2: Convert to fraction form
    473.64/653.59 = 263.84/x
  3. Step 3: Cross multiply
    473.64x = 653.59 × 263.84
  4. Step 4: Simplify right side
    473.64x = 172,447.42
  5. Step 5: Solve for x
    x = 172,447.42/473.64
  6. Step 6: Final answer
    x = 364.09

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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.