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Finding the Fourth Proportional to 616,232.70, 923,571.45 and 300,008.70

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Solution

The fourth proportional to 616,232.70, 923,571.45 and 300,008.70 is: 449,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,232.70 : 923,571.45 = 300,008.70 : x
  2. Step 2: Convert to fraction form
    616,232.70/923,571.45 = 300,008.70/x
  3. Step 3: Cross multiply
    616,232.70x = 923,571.45 × 300,008.70
  4. Step 4: Simplify right side
    616,232.70x = 277,079,470,071.62
  5. Step 5: Solve for x
    x = 277,079,470,071.62/616,232.70
  6. Step 6: Final answer
    x = 449,634.48

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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.