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Finding the Fourth Proportional to 869,861.37, 1,200,351 and 482,652.24

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Solution

The fourth proportional to 869,861.37, 1,200,351 and 482,652.24 is: 666,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,861.37 : 1,200,351 = 482,652.24 : x
  2. Step 2: Convert to fraction form
    869,861.37/1,200,351 = 482,652.24/x
  3. Step 3: Cross multiply
    869,861.37x = 1,200,351 × 482,652.24
  4. Step 4: Simplify right side
    869,861.37x = 579,352,098,936.24
  5. Step 5: Solve for x
    x = 579,352,098,936.24/869,861.37
  6. Step 6: Final answer
    x = 666,028.08

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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.