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Finding the Fourth Proportional to 344,573.80, 515,694.30 and 302,583.40

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Solution

The fourth proportional to 344,573.80, 515,694.30 and 302,583.40 is: 452,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,573.80 : 515,694.30 = 302,583.40 : x
  2. Step 2: Convert to fraction form
    344,573.80/515,694.30 = 302,583.40/x
  3. Step 3: Cross multiply
    344,573.80x = 515,694.30 × 302,583.40
  4. Step 4: Simplify right side
    344,573.80x = 156,040,534,654.62
  5. Step 5: Solve for x
    x = 156,040,534,654.62/344,573.80
  6. Step 6: Final answer
    x = 452,850.84

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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.