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Finding the Fourth Proportional to 659,016.16, 988,640.84 and 248,676.64

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Solution

The fourth proportional to 659,016.16, 988,640.84 and 248,676.64 is: 373,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,016.16 : 988,640.84 = 248,676.64 : x
  2. Step 2: Convert to fraction form
    659,016.16/988,640.84 = 248,676.64/x
  3. Step 3: Cross multiply
    659,016.16x = 988,640.84 × 248,676.64
  4. Step 4: Simplify right side
    659,016.16x = 245,851,882,257.98
  5. Step 5: Solve for x
    x = 245,851,882,257.98/659,016.16
  6. Step 6: Final answer
    x = 373,058.96

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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.