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Finding the Fourth Proportional to 460.14, 693.65 and 441.60

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Solution

The fourth proportional to 460.14, 693.65 and 441.60 is: 665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.14 : 693.65 = 441.60 : x
  2. Step 2: Convert to fraction form
    460.14/693.65 = 441.60/x
  3. Step 3: Cross multiply
    460.14x = 693.65 × 441.60
  4. Step 4: Simplify right side
    460.14x = 306,313.63
  5. Step 5: Solve for x
    x = 306,313.63/460.14
  6. Step 6: Final answer
    x = 665.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.