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Finding the Fourth Proportional to 409,250.21, 610,674.66 and 366,696.82

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Solution

The fourth proportional to 409,250.21, 610,674.66 and 366,696.82 is: 547,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,250.21 : 610,674.66 = 366,696.82 : x
  2. Step 2: Convert to fraction form
    409,250.21/610,674.66 = 366,696.82/x
  3. Step 3: Cross multiply
    409,250.21x = 610,674.66 × 366,696.82
  4. Step 4: Simplify right side
    409,250.21x = 223,932,453,739.95
  5. Step 5: Solve for x
    x = 223,932,453,739.95/409,250.21
  6. Step 6: Final answer
    x = 547,177.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.