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Finding the Fourth Proportional to 339,968.20, 509,952.30 and 337,894.60

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Solution

The fourth proportional to 339,968.20, 509,952.30 and 337,894.60 is: 506,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,968.20 : 509,952.30 = 337,894.60 : x
  2. Step 2: Convert to fraction form
    339,968.20/509,952.30 = 337,894.60/x
  3. Step 3: Cross multiply
    339,968.20x = 509,952.30 × 337,894.60
  4. Step 4: Simplify right side
    339,968.20x = 172,310,128,427.58
  5. Step 5: Solve for x
    x = 172,310,128,427.58/339,968.20
  6. Step 6: Final answer
    x = 506,841.90

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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.