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Finding the Fourth Proportional to 475.56, 656.33 and 364.84

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Solution

The fourth proportional to 475.56, 656.33 and 364.84 is: 503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.56 : 656.33 = 364.84 : x
  2. Step 2: Convert to fraction form
    475.56/656.33 = 364.84/x
  3. Step 3: Cross multiply
    475.56x = 656.33 × 364.84
  4. Step 4: Simplify right side
    475.56x = 239,455.77
  5. Step 5: Solve for x
    x = 239,455.77/475.56
  6. Step 6: Final answer
    x = 503.53

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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.