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Finding the Fourth Proportional to 483,622.56, 724,695.12 and 202,986.72

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Solution

The fourth proportional to 483,622.56, 724,695.12 and 202,986.72 is: 304,170.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,622.56 : 724,695.12 = 202,986.72 : x
  2. Step 2: Convert to fraction form
    483,622.56/724,695.12 = 202,986.72/x
  3. Step 3: Cross multiply
    483,622.56x = 724,695.12 × 202,986.72
  4. Step 4: Simplify right side
    483,622.56x = 147,103,485,408.81
  5. Step 5: Solve for x
    x = 147,103,485,408.81/483,622.56
  6. Step 6: Final answer
    x = 304,170.02

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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.