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Finding the Fourth Proportional to 333,694.69, 500,537.80 and 80,977.25

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Solution

The fourth proportional to 333,694.69, 500,537.80 and 80,977.25 is: 121,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,694.69 : 500,537.80 = 80,977.25 : x
  2. Step 2: Convert to fraction form
    333,694.69/500,537.80 = 80,977.25/x
  3. Step 3: Cross multiply
    333,694.69x = 500,537.80 × 80,977.25
  4. Step 4: Simplify right side
    333,694.69x = 40,532,174,565.05
  5. Step 5: Solve for x
    x = 40,532,174,565.05/333,694.69
  6. Step 6: Final answer
    x = 121,464.85

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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.