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Finding the Fourth Proportional to 492,563.04, 679,735.98 and 266,208

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Solution

The fourth proportional to 492,563.04, 679,735.98 and 266,208 is: 367,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,563.04 : 679,735.98 = 266,208 : x
  2. Step 2: Convert to fraction form
    492,563.04/679,735.98 = 266,208/x
  3. Step 3: Cross multiply
    492,563.04x = 679,735.98 × 266,208
  4. Step 4: Simplify right side
    492,563.04x = 180,951,155,763.84
  5. Step 5: Solve for x
    x = 180,951,155,763.84/492,563.04
  6. Step 6: Final answer
    x = 367,366.49

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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.