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Finding the Fourth Proportional to 297,787.92, 446,698.91 and 84,539.16

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Solution

The fourth proportional to 297,787.92, 446,698.91 and 84,539.16 is: 126,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,787.92 : 446,698.91 = 84,539.16 : x
  2. Step 2: Convert to fraction form
    297,787.92/446,698.91 = 84,539.16/x
  3. Step 3: Cross multiply
    297,787.92x = 446,698.91 × 84,539.16
  4. Step 4: Simplify right side
    297,787.92x = 37,763,550,624.32
  5. Step 5: Solve for x
    x = 37,763,550,624.32/297,787.92
  6. Step 6: Final answer
    x = 126,813.57

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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.