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Finding the Fourth Proportional to 483,559.56, 667,303.38 and 268,695.72

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Solution

The fourth proportional to 483,559.56, 667,303.38 and 268,695.72 is: 370,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,559.56 : 667,303.38 = 268,695.72 : x
  2. Step 2: Convert to fraction form
    483,559.56/667,303.38 = 268,695.72/x
  3. Step 3: Cross multiply
    483,559.56x = 667,303.38 × 268,695.72
  4. Step 4: Simplify right side
    483,559.56x = 179,301,562,147.53
  5. Step 5: Solve for x
    x = 179,301,562,147.53/483,559.56
  6. Step 6: Final answer
    x = 370,795.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.