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Finding the Fourth Proportional to 447,200.76, 670,801.14 and 306,532.92

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Solution

The fourth proportional to 447,200.76, 670,801.14 and 306,532.92 is: 459,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,200.76 : 670,801.14 = 306,532.92 : x
  2. Step 2: Convert to fraction form
    447,200.76/670,801.14 = 306,532.92/x
  3. Step 3: Cross multiply
    447,200.76x = 670,801.14 × 306,532.92
  4. Step 4: Simplify right side
    447,200.76x = 205,622,632,183.53
  5. Step 5: Solve for x
    x = 205,622,632,183.53/447,200.76
  6. Step 6: Final answer
    x = 459,799.38

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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.