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Finding the Fourth Proportional to 426,846.44, 589,158.77 and 245,576.94

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Solution

The fourth proportional to 426,846.44, 589,158.77 and 245,576.94 is: 338,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,846.44 : 589,158.77 = 245,576.94 : x
  2. Step 2: Convert to fraction form
    426,846.44/589,158.77 = 245,576.94/x
  3. Step 3: Cross multiply
    426,846.44x = 589,158.77 × 245,576.94
  4. Step 4: Simplify right side
    426,846.44x = 144,683,806,682.88
  5. Step 5: Solve for x
    x = 144,683,806,682.88/426,846.44
  6. Step 6: Final answer
    x = 338,959.86

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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.