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Finding the Fourth Proportional to 336,065.28, 504,097.92 and 276,662.72

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Solution

The fourth proportional to 336,065.28, 504,097.92 and 276,662.72 is: 414,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,065.28 : 504,097.92 = 276,662.72 : x
  2. Step 2: Convert to fraction form
    336,065.28/504,097.92 = 276,662.72/x
  3. Step 3: Cross multiply
    336,065.28x = 504,097.92 × 276,662.72
  4. Step 4: Simplify right side
    336,065.28x = 139,465,099,173.05
  5. Step 5: Solve for x
    x = 139,465,099,173.05/336,065.28
  6. Step 6: Final answer
    x = 414,994.07

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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.