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Finding the Fourth Proportional to 295,890.40, 444,054.30 and 196,017.40

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Solution

The fourth proportional to 295,890.40, 444,054.30 and 196,017.40 is: 294,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,890.40 : 444,054.30 = 196,017.40 : x
  2. Step 2: Convert to fraction form
    295,890.40/444,054.30 = 196,017.40/x
  3. Step 3: Cross multiply
    295,890.40x = 444,054.30 × 196,017.40
  4. Step 4: Simplify right side
    295,890.40x = 87,042,369,344.82
  5. Step 5: Solve for x
    x = 87,042,369,344.82/295,890.40
  6. Step 6: Final answer
    x = 294,170.98

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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.