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Finding the Fourth Proportional to 397,335.79, 548,482.22 and 244,435.94

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Solution

The fourth proportional to 397,335.79, 548,482.22 and 244,435.94 is: 337,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,335.79 : 548,482.22 = 244,435.94 : x
  2. Step 2: Convert to fraction form
    397,335.79/548,482.22 = 244,435.94/x
  3. Step 3: Cross multiply
    397,335.79x = 548,482.22 × 244,435.94
  4. Step 4: Simplify right side
    397,335.79x = 134,068,767,018.99
  5. Step 5: Solve for x
    x = 134,068,767,018.99/397,335.79
  6. Step 6: Final answer
    x = 337,419.31

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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.