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Finding the Fourth Proportional to 431,831.70, 595,735.02 and 250,438.50

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Solution

The fourth proportional to 431,831.70, 595,735.02 and 250,438.50 is: 345,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,831.70 : 595,735.02 = 250,438.50 : x
  2. Step 2: Convert to fraction form
    431,831.70/595,735.02 = 250,438.50/x
  3. Step 3: Cross multiply
    431,831.70x = 595,735.02 × 250,438.50
  4. Step 4: Simplify right side
    431,831.70x = 149,194,984,806.27
  5. Step 5: Solve for x
    x = 149,194,984,806.27/431,831.70
  6. Step 6: Final answer
    x = 345,493.36

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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.