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Finding the Fourth Proportional to 665,245.46, 998,261.86 and 244,816.58

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Solution

The fourth proportional to 665,245.46, 998,261.86 and 244,816.58 is: 367,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,245.46 : 998,261.86 = 244,816.58 : x
  2. Step 2: Convert to fraction form
    665,245.46/998,261.86 = 244,816.58/x
  3. Step 3: Cross multiply
    665,245.46x = 998,261.86 × 244,816.58
  4. Step 4: Simplify right side
    665,245.46x = 244,391,054,509.64
  5. Step 5: Solve for x
    x = 244,391,054,509.64/665,245.46
  6. Step 6: Final answer
    x = 367,369.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.