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Finding the Fourth Proportional to 475.74, 656.84 and 365.02

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Solution

The fourth proportional to 475.74, 656.84 and 365.02 is: 503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.74 : 656.84 = 365.02 : x
  2. Step 2: Convert to fraction form
    475.74/656.84 = 365.02/x
  3. Step 3: Cross multiply
    475.74x = 656.84 × 365.02
  4. Step 4: Simplify right side
    475.74x = 239,759.74
  5. Step 5: Solve for x
    x = 239,759.74/475.74
  6. Step 6: Final answer
    x = 503.97

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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.