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Finding the Fourth Proportional to 562,351.20, 842,467.39 and 277,708.56

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Solution

The fourth proportional to 562,351.20, 842,467.39 and 277,708.56 is: 416,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,351.20 : 842,467.39 = 277,708.56 : x
  2. Step 2: Convert to fraction form
    562,351.20/842,467.39 = 277,708.56/x
  3. Step 3: Cross multiply
    562,351.20x = 842,467.39 × 277,708.56
  4. Step 4: Simplify right side
    562,351.20x = 233,960,405,029.59
  5. Step 5: Solve for x
    x = 233,960,405,029.59/562,351.20
  6. Step 6: Final answer
    x = 416,039.67

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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.