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Finding the Fourth Proportional to 333,697.67, 500,542.33 and 80,980.25

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Solution

The fourth proportional to 333,697.67, 500,542.33 and 80,980.25 is: 121,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,697.67 : 500,542.33 = 80,980.25 : x
  2. Step 2: Convert to fraction form
    333,697.67/500,542.33 = 80,980.25/x
  3. Step 3: Cross multiply
    333,697.67x = 500,542.33 × 80,980.25
  4. Step 4: Simplify right side
    333,697.67x = 40,534,042,614.08
  5. Step 5: Solve for x
    x = 40,534,042,614.08/333,697.67
  6. Step 6: Final answer
    x = 121,469.36

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1.5x scale

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.