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Finding the Fourth Proportional to 298,414.60, 447,621.90 and 295,304.20

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Solution

The fourth proportional to 298,414.60, 447,621.90 and 295,304.20 is: 442,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,414.60 : 447,621.90 = 295,304.20 : x
  2. Step 2: Convert to fraction form
    298,414.60/447,621.90 = 295,304.20/x
  3. Step 3: Cross multiply
    298,414.60x = 447,621.90 × 295,304.20
  4. Step 4: Simplify right side
    298,414.60x = 132,184,627,081.98
  5. Step 5: Solve for x
    x = 132,184,627,081.98/298,414.60
  6. Step 6: Final answer
    x = 442,956.30

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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.