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Finding the Fourth Proportional to 339,995.24, 469,210.02 and 189,089

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Solution

The fourth proportional to 339,995.24, 469,210.02 and 189,089 is: 260,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,995.24 : 469,210.02 = 189,089 : x
  2. Step 2: Convert to fraction form
    339,995.24/469,210.02 = 189,089/x
  3. Step 3: Cross multiply
    339,995.24x = 469,210.02 × 189,089
  4. Step 4: Simplify right side
    339,995.24x = 88,722,453,471.78
  5. Step 5: Solve for x
    x = 88,722,453,471.78/339,995.24
  6. Step 6: Final answer
    x = 260,952.05

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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.