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Finding the Fourth Proportional to 277,989.70, 383,625.57 and 150,665.35

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Solution

The fourth proportional to 277,989.70, 383,625.57 and 150,665.35 is: 207,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,989.70 : 383,625.57 = 150,665.35 : x
  2. Step 2: Convert to fraction form
    277,989.70/383,625.57 = 150,665.35/x
  3. Step 3: Cross multiply
    277,989.70x = 383,625.57 × 150,665.35
  4. Step 4: Simplify right side
    277,989.70x = 57,799,080,773.00
  5. Step 5: Solve for x
    x = 57,799,080,773.00/277,989.70
  6. Step 6: Final answer
    x = 207,918.07

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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.