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Finding the Fourth Proportional to 398,359.59, 597,537.77 and 161,700.27

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Solution

The fourth proportional to 398,359.59, 597,537.77 and 161,700.27 is: 242,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,359.59 : 597,537.77 = 161,700.27 : x
  2. Step 2: Convert to fraction form
    398,359.59/597,537.77 = 161,700.27/x
  3. Step 3: Cross multiply
    398,359.59x = 597,537.77 × 161,700.27
  4. Step 4: Simplify right side
    398,359.59x = 96,622,017,935.70
  5. Step 5: Solve for x
    x = 96,622,017,935.70/398,359.59
  6. Step 6: Final answer
    x = 242,549.75

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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.