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Finding the Fourth Proportional to 339,605.52, 508,632.54 and 162,238.20

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Solution

The fourth proportional to 339,605.52, 508,632.54 and 162,238.20 is: 242,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,605.52 : 508,632.54 = 162,238.20 : x
  2. Step 2: Convert to fraction form
    339,605.52/508,632.54 = 162,238.20/x
  3. Step 3: Cross multiply
    339,605.52x = 508,632.54 × 162,238.20
  4. Step 4: Simplify right side
    339,605.52x = 82,519,627,751.03
  5. Step 5: Solve for x
    x = 82,519,627,751.03/339,605.52
  6. Step 6: Final answer
    x = 242,986.71

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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.