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Finding the Fourth Proportional to 298,404,581.20, 447,606,871.80 and 177,173,630.80

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Solution

The fourth proportional to 298,404,581.20, 447,606,871.80 and 177,173,630.80 is: 265,760,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,404,581.20 : 447,606,871.80 = 177,173,630.80 : x
  2. Step 2: Convert to fraction form
    298,404,581.20/447,606,871.80 = 177,173,630.80/x
  3. Step 3: Cross multiply
    298,404,581.20x = 447,606,871.80 × 177,173,630.80
  4. Step 4: Simplify right side
    298,404,581.20x = 79,304,134,647,836,144
  5. Step 5: Solve for x
    x = 79,304,134,647,836,144/298,404,581.20
  6. Step 6: Final answer
    x = 265,760,446.20

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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.