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Finding the Fourth Proportional to 446,415.96, 669,623.94 and 197,048.28

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Solution

The fourth proportional to 446,415.96, 669,623.94 and 197,048.28 is: 295,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,415.96 : 669,623.94 = 197,048.28 : x
  2. Step 2: Convert to fraction form
    446,415.96/669,623.94 = 197,048.28/x
  3. Step 3: Cross multiply
    446,415.96x = 669,623.94 × 197,048.28
  4. Step 4: Simplify right side
    446,415.96x = 131,948,245,623.82
  5. Step 5: Solve for x
    x = 131,948,245,623.82/446,415.96
  6. Step 6: Final answer
    x = 295,572.42

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Similar ratio
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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.