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Finding the Fourth Proportional to 577,992.54, 797,790.15 and 336,321.96

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Solution

The fourth proportional to 577,992.54, 797,790.15 and 336,321.96 is: 464,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,992.54 : 797,790.15 = 336,321.96 : x
  2. Step 2: Convert to fraction form
    577,992.54/797,790.15 = 336,321.96/x
  3. Step 3: Cross multiply
    577,992.54x = 797,790.15 × 336,321.96
  4. Step 4: Simplify right side
    577,992.54x = 268,314,346,916.69
  5. Step 5: Solve for x
    x = 268,314,346,916.69/577,992.54
  6. Step 6: Final answer
    x = 464,217.66

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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.