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Finding the Fourth Proportional to 298,447.04, 411,859.40 and 162,481.92

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Solution

The fourth proportional to 298,447.04, 411,859.40 and 162,481.92 is: 224,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,447.04 : 411,859.40 = 162,481.92 : x
  2. Step 2: Convert to fraction form
    298,447.04/411,859.40 = 162,481.92/x
  3. Step 3: Cross multiply
    298,447.04x = 411,859.40 × 162,481.92
  4. Step 4: Simplify right side
    298,447.04x = 66,919,705,269.64
  5. Step 5: Solve for x
    x = 66,919,705,269.64/298,447.04
  6. Step 6: Final answer
    x = 224,226.40

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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.