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Finding the Fourth Proportional to 446,300.80, 668,932.80 and 179,929.60

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Solution

The fourth proportional to 446,300.80, 668,932.80 and 179,929.60 is: 269,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,300.80 : 668,932.80 = 179,929.60 : x
  2. Step 2: Convert to fraction form
    446,300.80/668,932.80 = 179,929.60/x
  3. Step 3: Cross multiply
    446,300.80x = 668,932.80 × 179,929.60
  4. Step 4: Simplify right side
    446,300.80x = 120,360,811,130.88
  5. Step 5: Solve for x
    x = 120,360,811,130.88/446,300.80
  6. Step 6: Final answer
    x = 269,685.40

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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.