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Finding the Fourth Proportional to 339,992.48, 469,182.96 and 189,086.24

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Solution

The fourth proportional to 339,992.48, 469,182.96 and 189,086.24 is: 260,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,992.48 : 469,182.96 = 189,086.24 : x
  2. Step 2: Convert to fraction form
    339,992.48/469,182.96 = 189,086.24/x
  3. Step 3: Cross multiply
    339,992.48x = 469,182.96 × 189,086.24
  4. Step 4: Simplify right side
    339,992.48x = 88,716,041,778.47
  5. Step 5: Solve for x
    x = 88,716,041,778.47/339,992.48
  6. Step 6: Final answer
    x = 260,935.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.