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Finding the Fourth Proportional to 444,686.64, 613,671.48 and 263,408.88

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Solution

The fourth proportional to 444,686.64, 613,671.48 and 263,408.88 is: 363,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,686.64 : 613,671.48 = 263,408.88 : x
  2. Step 2: Convert to fraction form
    444,686.64/613,671.48 = 263,408.88/x
  3. Step 3: Cross multiply
    444,686.64x = 613,671.48 × 263,408.88
  4. Step 4: Simplify right side
    444,686.64x = 161,646,517,234.74
  5. Step 5: Solve for x
    x = 161,646,517,234.74/444,686.64
  6. Step 6: Final answer
    x = 363,506.57

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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.