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Finding the Fourth Proportional to 298,495.33, 411,921.52 and 162,529.21

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Solution

The fourth proportional to 298,495.33, 411,921.52 and 162,529.21 is: 224,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,495.33 : 411,921.52 = 162,529.21 : x
  2. Step 2: Convert to fraction form
    298,495.33/411,921.52 = 162,529.21/x
  3. Step 3: Cross multiply
    298,495.33x = 411,921.52 × 162,529.21
  4. Step 4: Simplify right side
    298,495.33x = 66,949,279,227.60
  5. Step 5: Solve for x
    x = 66,949,279,227.60/298,495.33
  6. Step 6: Final answer
    x = 224,289.20

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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.