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Finding the Fourth Proportional to 492,860.66, 680,147.24 and 266,505.62

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Solution

The fourth proportional to 492,860.66, 680,147.24 and 266,505.62 is: 367,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,860.66 : 680,147.24 = 266,505.62 : x
  2. Step 2: Convert to fraction form
    492,860.66/680,147.24 = 266,505.62/x
  3. Step 3: Cross multiply
    492,860.66x = 680,147.24 × 266,505.62
  4. Step 4: Simplify right side
    492,860.66x = 181,263,061,887.49
  5. Step 5: Solve for x
    x = 181,263,061,887.49/492,860.66
  6. Step 6: Final answer
    x = 367,777.50

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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.