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Finding the Fourth Proportional to 295,859.40, 443,789.10 and 248,620.20

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Solution

The fourth proportional to 295,859.40, 443,789.10 and 248,620.20 is: 372,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,859.40 : 443,789.10 = 248,620.20 : x
  2. Step 2: Convert to fraction form
    295,859.40/443,789.10 = 248,620.20/x
  3. Step 3: Cross multiply
    295,859.40x = 443,789.10 × 248,620.20
  4. Step 4: Simplify right side
    295,859.40x = 110,334,934,799.82
  5. Step 5: Solve for x
    x = 110,334,934,799.82/295,859.40
  6. Step 6: Final answer
    x = 372,930.30

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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.