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Finding the Fourth Proportional to 576,245.93, 795,198.52 and 318,117.34

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Solution

The fourth proportional to 576,245.93, 795,198.52 and 318,117.34 is: 438,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,245.93 : 795,198.52 = 318,117.34 : x
  2. Step 2: Convert to fraction form
    576,245.93/795,198.52 = 318,117.34/x
  3. Step 3: Cross multiply
    576,245.93x = 795,198.52 × 318,117.34
  4. Step 4: Simplify right side
    576,245.93x = 252,966,437,556.57
  5. Step 5: Solve for x
    x = 252,966,437,556.57/576,245.93
  6. Step 6: Final answer
    x = 438,990.41

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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.