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Finding the Fourth Proportional to 339,004.31, 508,506.47 and 264,180.45

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Solution

The fourth proportional to 339,004.31, 508,506.47 and 264,180.45 is: 396,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,004.31 : 508,506.47 = 264,180.45 : x
  2. Step 2: Convert to fraction form
    339,004.31/508,506.47 = 264,180.45/x
  3. Step 3: Cross multiply
    339,004.31x = 508,506.47 × 264,180.45
  4. Step 4: Simplify right side
    339,004.31x = 134,337,466,751.61
  5. Step 5: Solve for x
    x = 134,337,466,751.61/339,004.31
  6. Step 6: Final answer
    x = 396,270.68

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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.