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Finding the Fourth Proportional to 659,022.16, 988,649.84 and 248,682.64

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Solution

The fourth proportional to 659,022.16, 988,649.84 and 248,682.64 is: 373,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,022.16 : 988,649.84 = 248,682.64 : x
  2. Step 2: Convert to fraction form
    659,022.16/988,649.84 = 248,682.64/x
  3. Step 3: Cross multiply
    659,022.16x = 988,649.84 × 248,682.64
  4. Step 4: Simplify right side
    659,022.16x = 245,860,052,246.78
  5. Step 5: Solve for x
    x = 245,860,052,246.78/659,022.16
  6. Step 6: Final answer
    x = 373,067.96

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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.