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Finding the Fourth Proportional to 488,800.20, 733,200.30 and 453,370.80

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Solution

The fourth proportional to 488,800.20, 733,200.30 and 453,370.80 is: 680,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,800.20 : 733,200.30 = 453,370.80 : x
  2. Step 2: Convert to fraction form
    488,800.20/733,200.30 = 453,370.80/x
  3. Step 3: Cross multiply
    488,800.20x = 733,200.30 × 453,370.80
  4. Step 4: Simplify right side
    488,800.20x = 332,411,606,571.24
  5. Step 5: Solve for x
    x = 332,411,606,571.24/488,800.20
  6. Step 6: Final answer
    x = 680,056.20

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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.