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Finding the Fourth Proportional to 460.56, 636.12 and 373.68

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Solution

The fourth proportional to 460.56, 636.12 and 373.68 is: 516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.56 : 636.12 = 373.68 : x
  2. Step 2: Convert to fraction form
    460.56/636.12 = 373.68/x
  3. Step 3: Cross multiply
    460.56x = 636.12 × 373.68
  4. Step 4: Simplify right side
    460.56x = 237,705.32
  5. Step 5: Solve for x
    x = 237,705.32/460.56
  6. Step 6: Final answer
    x = 516.12

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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.