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Finding the Fourth Proportional to 300,629.67, 448,291.54 and 297,930.07

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Solution

The fourth proportional to 300,629.67, 448,291.54 and 297,930.07 is: 444,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,629.67 : 448,291.54 = 297,930.07 : x
  2. Step 2: Convert to fraction form
    300,629.67/448,291.54 = 297,930.07/x
  3. Step 3: Cross multiply
    300,629.67x = 448,291.54 × 297,930.07
  4. Step 4: Simplify right side
    300,629.67x = 133,559,529,892.61
  5. Step 5: Solve for x
    x = 133,559,529,892.61/300,629.67
  6. Step 6: Final answer
    x = 444,265.96

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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.