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Finding the Fourth Proportional to 298,571.95, 412,029.74 and 162,606.49

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Solution

The fourth proportional to 298,571.95, 412,029.74 and 162,606.49 is: 224,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,571.95 : 412,029.74 = 162,606.49 : x
  2. Step 2: Convert to fraction form
    298,571.95/412,029.74 = 162,606.49/x
  3. Step 3: Cross multiply
    298,571.95x = 412,029.74 × 162,606.49
  4. Step 4: Simplify right side
    298,571.95x = 66,998,709,797.01
  5. Step 5: Solve for x
    x = 66,998,709,797.01/298,571.95
  6. Step 6: Final answer
    x = 224,397.20

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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.