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Finding the Fourth Proportional to 427,426.60, 589,797.31 and 246,197.47

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Solution

The fourth proportional to 427,426.60, 589,797.31 and 246,197.47 is: 339,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,426.60 : 589,797.31 = 246,197.47 : x
  2. Step 2: Convert to fraction form
    427,426.60/589,797.31 = 246,197.47/x
  3. Step 3: Cross multiply
    427,426.60x = 589,797.31 × 246,197.47
  4. Step 4: Simplify right side
    427,426.60x = 145,206,605,534.81
  5. Step 5: Solve for x
    x = 145,206,605,534.81/427,426.60
  6. Step 6: Final answer
    x = 339,722.90

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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.