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Finding the Fourth Proportional to 480,534.56, 662,992.16 and 335,336.48

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Solution

The fourth proportional to 480,534.56, 662,992.16 and 335,336.48 is: 462,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,534.56 : 662,992.16 = 335,336.48 : x
  2. Step 2: Convert to fraction form
    480,534.56/662,992.16 = 335,336.48/x
  3. Step 3: Cross multiply
    480,534.56x = 662,992.16 × 335,336.48
  4. Step 4: Simplify right side
    480,534.56x = 222,325,457,202.00
  5. Step 5: Solve for x
    x = 222,325,457,202.00/480,534.56
  6. Step 6: Final answer
    x = 462,662.78

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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.