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Finding the Fourth Proportional to 427,510.43, 589,912.52 and 246,281.03

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Solution

The fourth proportional to 427,510.43, 589,912.52 and 246,281.03 is: 339,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,510.43 : 589,912.52 = 246,281.03 : x
  2. Step 2: Convert to fraction form
    427,510.43/589,912.52 = 246,281.03/x
  3. Step 3: Cross multiply
    427,510.43x = 589,912.52 × 246,281.03
  4. Step 4: Simplify right side
    427,510.43x = 145,284,260,701.64
  5. Step 5: Solve for x
    x = 145,284,260,701.64/427,510.43
  6. Step 6: Final answer
    x = 339,837.94

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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.