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Finding the Fourth Proportional to 340,354.96, 469,733.92 and 195,217.36

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Solution

The fourth proportional to 340,354.96, 469,733.92 and 195,217.36 is: 269,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,354.96 : 469,733.92 = 195,217.36 : x
  2. Step 2: Convert to fraction form
    340,354.96/469,733.92 = 195,217.36/x
  3. Step 3: Cross multiply
    340,354.96x = 469,733.92 × 195,217.36
  4. Step 4: Simplify right side
    340,354.96x = 91,700,215,764.85
  5. Step 5: Solve for x
    x = 91,700,215,764.85/340,354.96
  6. Step 6: Final answer
    x = 269,425.24

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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.