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Finding the Fourth Proportional to 528,343.44, 792,022.11 and 208,497.97

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Solution

The fourth proportional to 528,343.44, 792,022.11 and 208,497.97 is: 312,552.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,343.44 : 792,022.11 = 208,497.97 : x
  2. Step 2: Convert to fraction form
    528,343.44/792,022.11 = 208,497.97/x
  3. Step 3: Cross multiply
    528,343.44x = 792,022.11 × 208,497.97
  4. Step 4: Simplify right side
    528,343.44x = 165,135,002,130.12
  5. Step 5: Solve for x
    x = 165,135,002,130.12/528,343.44
  6. Step 6: Final answer
    x = 312,552.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.