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Finding the Fourth Proportional to 482,459.30, 665,873.56 and 267,668.56

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Solution

The fourth proportional to 482,459.30, 665,873.56 and 267,668.56 is: 369,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,459.30 : 665,873.56 = 267,668.56 : x
  2. Step 2: Convert to fraction form
    482,459.30/665,873.56 = 267,668.56/x
  3. Step 3: Cross multiply
    482,459.30x = 665,873.56 × 267,668.56
  4. Step 4: Simplify right side
    482,459.30x = 178,233,416,947.27
  5. Step 5: Solve for x
    x = 178,233,416,947.27/482,459.30
  6. Step 6: Final answer
    x = 369,426.84

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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.