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Finding the Fourth Proportional to 576,609.30, 795,716.08 and 314,964.82

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Solution

The fourth proportional to 576,609.30, 795,716.08 and 314,964.82 is: 434,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,609.30 : 795,716.08 = 314,964.82 : x
  2. Step 2: Convert to fraction form
    576,609.30/795,716.08 = 314,964.82/x
  3. Step 3: Cross multiply
    576,609.30x = 795,716.08 × 314,964.82
  4. Step 4: Simplify right side
    576,609.30x = 250,622,571,908.31
  5. Step 5: Solve for x
    x = 250,622,571,908.31/576,609.30
  6. Step 6: Final answer
    x = 434,648.85

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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.