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Finding the Fourth Proportional to 482,457.80, 665,871.48 and 267,667.06

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Solution

The fourth proportional to 482,457.80, 665,871.48 and 267,667.06 is: 369,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,457.80 : 665,871.48 = 267,667.06 : x
  2. Step 2: Convert to fraction form
    482,457.80/665,871.48 = 267,667.06/x
  3. Step 3: Cross multiply
    482,457.80x = 665,871.48 × 267,667.06
  4. Step 4: Simplify right side
    482,457.80x = 178,231,861,389.45
  5. Step 5: Solve for x
    x = 178,231,861,389.45/482,457.80
  6. Step 6: Final answer
    x = 369,424.77

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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.