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Finding the Fourth Proportional to 397,341.79, 548,490.51 and 244,441.96

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Solution

The fourth proportional to 397,341.79, 548,490.51 and 244,441.96 is: 337,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,341.79 : 548,490.51 = 244,441.96 : x
  2. Step 2: Convert to fraction form
    397,341.79/548,490.51 = 244,441.96/x
  3. Step 3: Cross multiply
    397,341.79x = 548,490.51 × 244,441.96
  4. Step 4: Simplify right side
    397,341.79x = 134,074,095,305.80
  5. Step 5: Solve for x
    x = 134,074,095,305.80/397,341.79
  6. Step 6: Final answer
    x = 337,427.62

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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.