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Finding the Fourth Proportional to 475.96, 656.86 and 460.84

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Solution

The fourth proportional to 475.96, 656.86 and 460.84 is: 635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.96 : 656.86 = 460.84 : x
  2. Step 2: Convert to fraction form
    475.96/656.86 = 460.84/x
  3. Step 3: Cross multiply
    475.96x = 656.86 × 460.84
  4. Step 4: Simplify right side
    475.96x = 302,707.36
  5. Step 5: Solve for x
    x = 302,707.36/475.96
  6. Step 6: Final answer
    x = 635.99

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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.