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Finding the Fourth Proportional to 576,393.26, 795,424.91 and 318,265.89

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Solution

The fourth proportional to 576,393.26, 795,424.91 and 318,265.89 is: 439,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,393.26 : 795,424.91 = 318,265.89 : x
  2. Step 2: Convert to fraction form
    576,393.26/795,424.91 = 318,265.89/x
  3. Step 3: Cross multiply
    576,393.26x = 795,424.91 × 318,265.89
  4. Step 4: Simplify right side
    576,393.26x = 253,156,615,317.99
  5. Step 5: Solve for x
    x = 253,156,615,317.99/576,393.26
  6. Step 6: Final answer
    x = 439,208.15

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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.