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Finding the Fourth Proportional to 483,189.76, 724,464.74 and 230,509.25

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Solution

The fourth proportional to 483,189.76, 724,464.74 and 230,509.25 is: 345,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,189.76 : 724,464.74 = 230,509.25 : x
  2. Step 2: Convert to fraction form
    483,189.76/724,464.74 = 230,509.25/x
  3. Step 3: Cross multiply
    483,189.76x = 724,464.74 × 230,509.25
  4. Step 4: Simplify right side
    483,189.76x = 166,995,823,539.54
  5. Step 5: Solve for x
    x = 166,995,823,539.54/483,189.76
  6. Step 6: Final answer
    x = 345,611.26

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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.