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Finding the Fourth Proportional to 297,573.80, 446,219.94 and 115,289.96

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Solution

The fourth proportional to 297,573.80, 446,219.94 and 115,289.96 is: 172,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,573.80 : 446,219.94 = 115,289.96 : x
  2. Step 2: Convert to fraction form
    297,573.80/446,219.94 = 115,289.96/x
  3. Step 3: Cross multiply
    297,573.80x = 446,219.94 × 115,289.96
  4. Step 4: Simplify right side
    297,573.80x = 51,444,679,033.80
  5. Step 5: Solve for x
    x = 51,444,679,033.80/297,573.80
  6. Step 6: Final answer
    x = 172,880.40

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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.