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Finding the Fourth Proportional to 277,803.72, 383,367.87 and 150,479.64

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Solution

The fourth proportional to 277,803.72, 383,367.87 and 150,479.64 is: 207,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,803.72 : 383,367.87 = 150,479.64 : x
  2. Step 2: Convert to fraction form
    277,803.72/383,367.87 = 150,479.64/x
  3. Step 3: Cross multiply
    277,803.72x = 383,367.87 × 150,479.64
  4. Step 4: Simplify right side
    277,803.72x = 57,689,059,065.17
  5. Step 5: Solve for x
    x = 57,689,059,065.17/277,803.72
  6. Step 6: Final answer
    x = 207,661.22

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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.