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Finding the Fourth Proportional to 303,296.79, 454,576.23 and 214,575.87

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Solution

The fourth proportional to 303,296.79, 454,576.23 and 214,575.87 is: 321,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,296.79 : 454,576.23 = 214,575.87 : x
  2. Step 2: Convert to fraction form
    303,296.79/454,576.23 = 214,575.87/x
  3. Step 3: Cross multiply
    303,296.79x = 454,576.23 × 214,575.87
  4. Step 4: Simplify right side
    303,296.79x = 97,541,090,033.57
  5. Step 5: Solve for x
    x = 97,541,090,033.57/303,296.79
  6. Step 6: Final answer
    x = 321,602.78

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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.