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Finding the Fourth Proportional to 333,693.69, 500,536.30 and 80,976.25

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Solution

The fourth proportional to 333,693.69, 500,536.30 and 80,976.25 is: 121,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,693.69 : 500,536.30 = 80,976.25 : x
  2. Step 2: Convert to fraction form
    333,693.69/500,536.30 = 80,976.25/x
  3. Step 3: Cross multiply
    333,693.69x = 500,536.30 × 80,976.25
  4. Step 4: Simplify right side
    333,693.69x = 40,531,552,562.88
  5. Step 5: Solve for x
    x = 40,531,552,562.88/333,693.69
  6. Step 6: Final answer
    x = 121,463.35

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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.