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Finding the Fourth Proportional to 483,205.20, 724,116.60 and 335,288.40

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Solution

The fourth proportional to 483,205.20, 724,116.60 and 335,288.40 is: 502,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,205.20 : 724,116.60 = 335,288.40 : x
  2. Step 2: Convert to fraction form
    483,205.20/724,116.60 = 335,288.40/x
  3. Step 3: Cross multiply
    483,205.20x = 724,116.60 × 335,288.40
  4. Step 4: Simplify right side
    483,205.20x = 242,787,896,227.44
  5. Step 5: Solve for x
    x = 242,787,896,227.44/483,205.20
  6. Step 6: Final answer
    x = 502,452.99

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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.