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Finding the Fourth Proportional to 446,031.80, 668,853.30 and 179,703.80

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Solution

The fourth proportional to 446,031.80, 668,853.30 and 179,703.80 is: 269,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,031.80 : 668,853.30 = 179,703.80 : x
  2. Step 2: Convert to fraction form
    446,031.80/668,853.30 = 179,703.80/x
  3. Step 3: Cross multiply
    446,031.80x = 668,853.30 × 179,703.80
  4. Step 4: Simplify right side
    446,031.80x = 120,195,479,652.54
  5. Step 5: Solve for x
    x = 120,195,479,652.54/446,031.80
  6. Step 6: Final answer
    x = 269,477.38

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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.