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Finding the Fourth Proportional to 576,833.37, 796,025.37 and 318,709.50

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Solution

The fourth proportional to 576,833.37, 796,025.37 and 318,709.50 is: 439,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,833.37 : 796,025.37 = 318,709.50 : x
  2. Step 2: Convert to fraction form
    576,833.37/796,025.37 = 318,709.50/x
  3. Step 3: Cross multiply
    576,833.37x = 796,025.37 × 318,709.50
  4. Step 4: Simplify right side
    576,833.37x = 253,700,847,660.02
  5. Step 5: Solve for x
    x = 253,700,847,660.02/576,833.37
  6. Step 6: Final answer
    x = 439,816.52

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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.