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Finding the Fourth Proportional to 297,787.67, 446,698.54 and 84,538.91

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Solution

The fourth proportional to 297,787.67, 446,698.54 and 84,538.91 is: 126,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,787.67 : 446,698.54 = 84,538.91 : x
  2. Step 2: Convert to fraction form
    297,787.67/446,698.54 = 84,538.91/x
  3. Step 3: Cross multiply
    297,787.67x = 446,698.54 × 84,538.91
  4. Step 4: Simplify right side
    297,787.67x = 37,763,405,225.35
  5. Step 5: Solve for x
    x = 37,763,405,225.35/297,787.67
  6. Step 6: Final answer
    x = 126,813.19

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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.