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Finding the Fourth Proportional to 336,063.78, 504,095.67 and 276,661.22

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Solution

The fourth proportional to 336,063.78, 504,095.67 and 276,661.22 is: 414,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,063.78 : 504,095.67 = 276,661.22 : x
  2. Step 2: Convert to fraction form
    336,063.78/504,095.67 = 276,661.22/x
  3. Step 3: Cross multiply
    336,063.78x = 504,095.67 × 276,661.22
  4. Step 4: Simplify right side
    336,063.78x = 139,463,720,538.44
  5. Step 5: Solve for x
    x = 139,463,720,538.44/336,063.78
  6. Step 6: Final answer
    x = 414,991.82

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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.