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Finding the Fourth Proportional to 457,796.22, 631,760.14 and 253,861.50

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Solution

The fourth proportional to 457,796.22, 631,760.14 and 253,861.50 is: 350,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,796.22 : 631,760.14 = 253,861.50 : x
  2. Step 2: Convert to fraction form
    457,796.22/631,760.14 = 253,861.50/x
  3. Step 3: Cross multiply
    457,796.22x = 631,760.14 × 253,861.50
  4. Step 4: Simplify right side
    457,796.22x = 160,379,576,780.61
  5. Step 5: Solve for x
    x = 160,379,576,780.61/457,796.22
  6. Step 6: Final answer
    x = 350,329.62

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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.