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Finding the Fourth Proportional to 334,889.44, 461,880.15 and 220,285.78

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Solution

The fourth proportional to 334,889.44, 461,880.15 and 220,285.78 is: 303,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,889.44 : 461,880.15 = 220,285.78 : x
  2. Step 2: Convert to fraction form
    334,889.44/461,880.15 = 220,285.78/x
  3. Step 3: Cross multiply
    334,889.44x = 461,880.15 × 220,285.78
  4. Step 4: Simplify right side
    334,889.44x = 101,745,629,109.27
  5. Step 5: Solve for x
    x = 101,745,629,109.27/334,889.44
  6. Step 6: Final answer
    x = 303,818.57

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1.5x scale

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.