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Finding the Fourth Proportional to 577,833.99, 797,406.57 and 323,185.18

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Solution

The fourth proportional to 577,833.99, 797,406.57 and 323,185.18 is: 445,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,833.99 : 797,406.57 = 323,185.18 : x
  2. Step 2: Convert to fraction form
    577,833.99/797,406.57 = 323,185.18/x
  3. Step 3: Cross multiply
    577,833.99x = 797,406.57 × 323,185.18
  4. Step 4: Simplify right side
    577,833.99x = 257,709,983,865.12
  5. Step 5: Solve for x
    x = 257,709,983,865.12/577,833.99
  6. Step 6: Final answer
    x = 445,993.12

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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.