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Finding the Fourth Proportional to 333,578.99, 500,369.54 and 80,858.52

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Solution

The fourth proportional to 333,578.99, 500,369.54 and 80,858.52 is: 121,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,578.99 : 500,369.54 = 80,858.52 : x
  2. Step 2: Convert to fraction form
    333,578.99/500,369.54 = 80,858.52/x
  3. Step 3: Cross multiply
    333,578.99x = 500,369.54 × 80,858.52
  4. Step 4: Simplify right side
    333,578.99x = 40,459,140,053.19
  5. Step 5: Solve for x
    x = 40,459,140,053.19/333,578.99
  6. Step 6: Final answer
    x = 121,288.03

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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.