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Finding the Fourth Proportional to 339,798.87, 508,589.27 and 249,817.79

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Solution

The fourth proportional to 339,798.87, 508,589.27 and 249,817.79 is: 373,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,798.87 : 508,589.27 = 249,817.79 : x
  2. Step 2: Convert to fraction form
    339,798.87/508,589.27 = 249,817.79/x
  3. Step 3: Cross multiply
    339,798.87x = 508,589.27 × 249,817.79
  4. Step 4: Simplify right side
    339,798.87x = 127,054,647,449.11
  5. Step 5: Solve for x
    x = 127,054,647,449.11/339,798.87
  6. Step 6: Final answer
    x = 373,911.33

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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.