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Finding the Fourth Proportional to 492,462.93, 679,598.82 and 266,108.43

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Solution

The fourth proportional to 492,462.93, 679,598.82 and 266,108.43 is: 367,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,462.93 : 679,598.82 = 266,108.43 : x
  2. Step 2: Convert to fraction form
    492,462.93/679,598.82 = 266,108.43/x
  3. Step 3: Cross multiply
    492,462.93x = 679,598.82 × 266,108.43
  4. Step 4: Simplify right side
    492,462.93x = 180,846,975,020.05
  5. Step 5: Solve for x
    x = 180,846,975,020.05/492,462.93
  6. Step 6: Final answer
    x = 367,229.62

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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.