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Finding the Fourth Proportional to 454,683.20, 682,024.80 and 446,907.20

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Solution

The fourth proportional to 454,683.20, 682,024.80 and 446,907.20 is: 670,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,683.20 : 682,024.80 = 446,907.20 : x
  2. Step 2: Convert to fraction form
    454,683.20/682,024.80 = 446,907.20/x
  3. Step 3: Cross multiply
    454,683.20x = 682,024.80 × 446,907.20
  4. Step 4: Simplify right side
    454,683.20x = 304,801,793,698.56
  5. Step 5: Solve for x
    x = 304,801,793,698.56/454,683.20
  6. Step 6: Final answer
    x = 670,360.80

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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.