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Finding the Fourth Proportional to 380,672.21, 525,089.79 and 244,883

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Solution

The fourth proportional to 380,672.21, 525,089.79 and 244,883 is: 337,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,672.21 : 525,089.79 = 244,883 : x
  2. Step 2: Convert to fraction form
    380,672.21/525,089.79 = 244,883/x
  3. Step 3: Cross multiply
    380,672.21x = 525,089.79 × 244,883
  4. Step 4: Simplify right side
    380,672.21x = 128,585,563,044.57
  5. Step 5: Solve for x
    x = 128,585,563,044.57/380,672.21
  6. Step 6: Final answer
    x = 337,785.53

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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.