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Finding the Fourth Proportional to 664,352.24, 996,045.52 and 264,873.20

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Solution

The fourth proportional to 664,352.24, 996,045.52 and 264,873.20 is: 397,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,352.24 : 996,045.52 = 264,873.20 : x
  2. Step 2: Convert to fraction form
    664,352.24/996,045.52 = 264,873.20/x
  3. Step 3: Cross multiply
    664,352.24x = 996,045.52 × 264,873.20
  4. Step 4: Simplify right side
    664,352.24x = 263,825,764,228.06
  5. Step 5: Solve for x
    x = 263,825,764,228.06/664,352.24
  6. Step 6: Final answer
    x = 397,117.29

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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.