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Finding the Fourth Proportional to 298,738.88, 448,195.76 and 96,330.91

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Solution

The fourth proportional to 298,738.88, 448,195.76 and 96,330.91 is: 144,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,738.88 : 448,195.76 = 96,330.91 : x
  2. Step 2: Convert to fraction form
    298,738.88/448,195.76 = 96,330.91/x
  3. Step 3: Cross multiply
    298,738.88x = 448,195.76 × 96,330.91
  4. Step 4: Simplify right side
    298,738.88x = 43,175,105,057.70
  5. Step 5: Solve for x
    x = 43,175,105,057.70/298,738.88
  6. Step 6: Final answer
    x = 144,524.56

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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.