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Finding the Fourth Proportional to 437,476.73, 603,201.45 and 299,721.71

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Solution

The fourth proportional to 437,476.73, 603,201.45 and 299,721.71 is: 413,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,476.73 : 603,201.45 = 299,721.71 : x
  2. Step 2: Convert to fraction form
    437,476.73/603,201.45 = 299,721.71/x
  3. Step 3: Cross multiply
    437,476.73x = 603,201.45 × 299,721.71
  4. Step 4: Simplify right side
    437,476.73x = 180,792,571,576.48
  5. Step 5: Solve for x
    x = 180,792,571,576.48/437,476.73
  6. Step 6: Final answer
    x = 413,262.15

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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.