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Finding the Fourth Proportional to 327,364.58, 488,647.54 and 303,321.35

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Solution

The fourth proportional to 327,364.58, 488,647.54 and 303,321.35 is: 452,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,364.58 : 488,647.54 = 303,321.35 : x
  2. Step 2: Convert to fraction form
    327,364.58/488,647.54 = 303,321.35/x
  3. Step 3: Cross multiply
    327,364.58x = 488,647.54 × 303,321.35
  4. Step 4: Simplify right side
    327,364.58x = 148,217,231,506.98
  5. Step 5: Solve for x
    x = 148,217,231,506.98/327,364.58
  6. Step 6: Final answer
    x = 452,758.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.