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Finding the Fourth Proportional to 548,546.74, 757,000.29 and 322,196.02

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Solution

The fourth proportional to 548,546.74, 757,000.29 and 322,196.02 is: 444,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,546.74 : 757,000.29 = 322,196.02 : x
  2. Step 2: Convert to fraction form
    548,546.74/757,000.29 = 322,196.02/x
  3. Step 3: Cross multiply
    548,546.74x = 757,000.29 × 322,196.02
  4. Step 4: Simplify right side
    548,546.74x = 243,902,480,576.85
  5. Step 5: Solve for x
    x = 243,902,480,576.85/548,546.74
  6. Step 6: Final answer
    x = 444,633.91

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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.