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Finding the Fourth Proportional to 339,982.70, 510,366.90 and 182,518.70

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Solution

The fourth proportional to 339,982.70, 510,366.90 and 182,518.70 is: 273,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,982.70 : 510,366.90 = 182,518.70 : x
  2. Step 2: Convert to fraction form
    339,982.70/510,366.90 = 182,518.70/x
  3. Step 3: Cross multiply
    339,982.70x = 510,366.90 × 182,518.70
  4. Step 4: Simplify right side
    339,982.70x = 93,151,503,111.03
  5. Step 5: Solve for x
    x = 93,151,503,111.03/339,982.70
  6. Step 6: Final answer
    x = 273,988.95

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1.5x scale

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.