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Finding the Fourth Proportional to 468,800.20, 703,200.30 and 449,117.20

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Solution

The fourth proportional to 468,800.20, 703,200.30 and 449,117.20 is: 673,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,800.20 : 703,200.30 = 449,117.20 : x
  2. Step 2: Convert to fraction form
    468,800.20/703,200.30 = 449,117.20/x
  3. Step 3: Cross multiply
    468,800.20x = 703,200.30 × 449,117.20
  4. Step 4: Simplify right side
    468,800.20x = 315,819,349,775.16
  5. Step 5: Solve for x
    x = 315,819,349,775.16/468,800.20
  6. Step 6: Final answer
    x = 673,675.80

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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.