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Finding the Fourth Proportional to 400,331.18, 600,497.18 and 163,673.87

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Solution

The fourth proportional to 400,331.18, 600,497.18 and 163,673.87 is: 245,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,331.18 : 600,497.18 = 163,673.87 : x
  2. Step 2: Convert to fraction form
    400,331.18/600,497.18 = 163,673.87/x
  3. Step 3: Cross multiply
    400,331.18x = 600,497.18 × 163,673.87
  4. Step 4: Simplify right side
    400,331.18x = 98,285,693,553.83
  5. Step 5: Solve for x
    x = 98,285,693,553.83/400,331.18
  6. Step 6: Final answer
    x = 245,510.97

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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.