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Finding the Fourth Proportional to 339,977.70, 510,359.40 and 182,513.70

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Solution

The fourth proportional to 339,977.70, 510,359.40 and 182,513.70 is: 273,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,977.70 : 510,359.40 = 182,513.70 : x
  2. Step 2: Convert to fraction form
    339,977.70/510,359.40 = 182,513.70/x
  3. Step 3: Cross multiply
    339,977.70x = 510,359.40 × 182,513.70
  4. Step 4: Simplify right side
    339,977.70x = 93,147,582,423.78
  5. Step 5: Solve for x
    x = 93,147,582,423.78/339,977.70
  6. Step 6: Final answer
    x = 273,981.45

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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.