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Finding the Fourth Proportional to 483,273.80, 724,910.70 and 306,564.20

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Solution

The fourth proportional to 483,273.80, 724,910.70 and 306,564.20 is: 459,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,273.80 : 724,910.70 = 306,564.20 : x
  2. Step 2: Convert to fraction form
    483,273.80/724,910.70 = 306,564.20/x
  3. Step 3: Cross multiply
    483,273.80x = 724,910.70 × 306,564.20
  4. Step 4: Simplify right side
    483,273.80x = 222,231,668,816.94
  5. Step 5: Solve for x
    x = 222,231,668,816.94/483,273.80
  6. Step 6: Final answer
    x = 459,846.30

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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.