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Finding the Fourth Proportional to 468,985.67, 703,478.77 and 329,367.59

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Solution

The fourth proportional to 468,985.67, 703,478.77 and 329,367.59 is: 494,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,985.67 : 703,478.77 = 329,367.59 : x
  2. Step 2: Convert to fraction form
    468,985.67/703,478.77 = 329,367.59/x
  3. Step 3: Cross multiply
    468,985.67x = 703,478.77 × 329,367.59
  4. Step 4: Simplify right side
    468,985.67x = 231,703,107,091.06
  5. Step 5: Solve for x
    x = 231,703,107,091.06/468,985.67
  6. Step 6: Final answer
    x = 494,051.57

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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.