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Finding the Fourth Proportional to 303,144.16, 454,064.56 and 245,961.12

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Solution

The fourth proportional to 303,144.16, 454,064.56 and 245,961.12 is: 368,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,144.16 : 454,064.56 = 245,961.12 : x
  2. Step 2: Convert to fraction form
    303,144.16/454,064.56 = 245,961.12/x
  3. Step 3: Cross multiply
    303,144.16x = 454,064.56 × 245,961.12
  4. Step 4: Simplify right side
    303,144.16x = 111,682,227,729.91
  5. Step 5: Solve for x
    x = 111,682,227,729.91/303,144.16
  6. Step 6: Final answer
    x = 368,412.93

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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.