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Finding the Fourth Proportional to 463,241.73, 639,182.70 and 291,059.94

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Solution

The fourth proportional to 463,241.73, 639,182.70 and 291,059.94 is: 401,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,241.73 : 639,182.70 = 291,059.94 : x
  2. Step 2: Convert to fraction form
    463,241.73/639,182.70 = 291,059.94/x
  3. Step 3: Cross multiply
    463,241.73x = 639,182.70 × 291,059.94
  4. Step 4: Simplify right side
    463,241.73x = 186,040,478,311.04
  5. Step 5: Solve for x
    x = 186,040,478,311.04/463,241.73
  6. Step 6: Final answer
    x = 401,605.61

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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.