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Finding the Fourth Proportional to 576,166.17, 795,109.46 and 318,043.26

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Solution

The fourth proportional to 576,166.17, 795,109.46 and 318,043.26 is: 438,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,166.17 : 795,109.46 = 318,043.26 : x
  2. Step 2: Convert to fraction form
    576,166.17/795,109.46 = 318,043.26/x
  3. Step 3: Cross multiply
    576,166.17x = 795,109.46 × 318,043.26
  4. Step 4: Simplify right side
    576,166.17x = 252,879,203,125.02
  5. Step 5: Solve for x
    x = 252,879,203,125.02/576,166.17
  6. Step 6: Final answer
    x = 438,899.78

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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.