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Finding the Fourth Proportional to 492,997.62, 680,336.73 and 266,643.12

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Solution

The fourth proportional to 492,997.62, 680,336.73 and 266,643.12 is: 367,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,997.62 : 680,336.73 = 266,643.12 : x
  2. Step 2: Convert to fraction form
    492,997.62/680,336.73 = 266,643.12/x
  3. Step 3: Cross multiply
    492,997.62x = 680,336.73 × 266,643.12
  4. Step 4: Simplify right side
    492,997.62x = 181,407,108,337.80
  5. Step 5: Solve for x
    x = 181,407,108,337.80/492,997.62
  6. Step 6: Final answer
    x = 367,967.51

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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.