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Finding the Fourth Proportional to 398,331.81, 597,604.23 and 173,710.44

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Solution

The fourth proportional to 398,331.81, 597,604.23 and 173,710.44 is: 260,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,331.81 : 597,604.23 = 173,710.44 : x
  2. Step 2: Convert to fraction form
    398,331.81/597,604.23 = 173,710.44/x
  3. Step 3: Cross multiply
    398,331.81x = 597,604.23 × 173,710.44
  4. Step 4: Simplify right side
    398,331.81x = 103,810,093,739.16
  5. Step 5: Solve for x
    x = 103,810,093,739.16/398,331.81
  6. Step 6: Final answer
    x = 260,612.11

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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.