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Finding the Fourth Proportional to 293,198.40, 404,141.40 and 245,959.20

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Solution

The fourth proportional to 293,198.40, 404,141.40 and 245,959.20 is: 339,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,198.40 : 404,141.40 = 245,959.20 : x
  2. Step 2: Convert to fraction form
    293,198.40/404,141.40 = 245,959.20/x
  3. Step 3: Cross multiply
    293,198.40x = 404,141.40 × 245,959.20
  4. Step 4: Simplify right side
    293,198.40x = 99,402,295,430.88
  5. Step 5: Solve for x
    x = 99,402,295,430.88/293,198.40
  6. Step 6: Final answer
    x = 339,027.41

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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.