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Finding the Fourth Proportional to 541,700.28, 812,325.78 and 204,682.68

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Solution

The fourth proportional to 541,700.28, 812,325.78 and 204,682.68 is: 306,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,700.28 : 812,325.78 = 204,682.68 : x
  2. Step 2: Convert to fraction form
    541,700.28/812,325.78 = 204,682.68/x
  3. Step 3: Cross multiply
    541,700.28x = 812,325.78 × 204,682.68
  4. Step 4: Simplify right side
    541,700.28x = 166,269,017,683.49
  5. Step 5: Solve for x
    x = 166,269,017,683.49/541,700.28
  6. Step 6: Final answer
    x = 306,939.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.