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Finding the Fourth Proportional to 576,255.87, 795,277.08 and 318,182.58

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Solution

The fourth proportional to 576,255.87, 795,277.08 and 318,182.58 is: 439,116.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,255.87 : 795,277.08 = 318,182.58 : x
  2. Step 2: Convert to fraction form
    576,255.87/795,277.08 = 318,182.58/x
  3. Step 3: Cross multiply
    576,255.87x = 795,277.08 × 318,182.58
  4. Step 4: Simplify right side
    576,255.87x = 253,043,313,129.27
  5. Step 5: Solve for x
    x = 253,043,313,129.27/576,255.87
  6. Step 6: Final answer
    x = 439,116.24

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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.