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Finding the Fourth Proportional to 296,143.40, 444,433.80 and 196,270.40

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Solution

The fourth proportional to 296,143.40, 444,433.80 and 196,270.40 is: 294,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,143.40 : 444,433.80 = 196,270.40 : x
  2. Step 2: Convert to fraction form
    296,143.40/444,433.80 = 196,270.40/x
  3. Step 3: Cross multiply
    296,143.40x = 444,433.80 × 196,270.40
  4. Step 4: Simplify right side
    296,143.40x = 87,229,199,699.52
  5. Step 5: Solve for x
    x = 87,229,199,699.52/296,143.40
  6. Step 6: Final answer
    x = 294,550.54

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1.5x scale

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.