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Finding the Fourth Proportional to 446,801.20, 670,201.80 and 269,216.80

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Solution

The fourth proportional to 446,801.20, 670,201.80 and 269,216.80 is: 403,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,801.20 : 670,201.80 = 269,216.80 : x
  2. Step 2: Convert to fraction form
    446,801.20/670,201.80 = 269,216.80/x
  3. Step 3: Cross multiply
    446,801.20x = 670,201.80 × 269,216.80
  4. Step 4: Simplify right side
    446,801.20x = 180,429,583,950.24
  5. Step 5: Solve for x
    x = 180,429,583,950.24/446,801.20
  6. Step 6: Final answer
    x = 403,825.20

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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.