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Finding the Fourth Proportional to 609,687.82, 841,366.47 and 351,563.50

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Solution

The fourth proportional to 609,687.82, 841,366.47 and 351,563.50 is: 485,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,687.82 : 841,366.47 = 351,563.50 : x
  2. Step 2: Convert to fraction form
    609,687.82/841,366.47 = 351,563.50/x
  3. Step 3: Cross multiply
    609,687.82x = 841,366.47 × 351,563.50
  4. Step 4: Simplify right side
    609,687.82x = 295,793,740,975.85
  5. Step 5: Solve for x
    x = 295,793,740,975.85/609,687.82
  6. Step 6: Final answer
    x = 485,156.06

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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.