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Finding the Fourth Proportional to 477,761.05, 659,301.91 and 259,962.38

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Solution

The fourth proportional to 477,761.05, 659,301.91 and 259,962.38 is: 358,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,761.05 : 659,301.91 = 259,962.38 : x
  2. Step 2: Convert to fraction form
    477,761.05/659,301.91 = 259,962.38/x
  3. Step 3: Cross multiply
    477,761.05x = 659,301.91 × 259,962.38
  4. Step 4: Simplify right side
    477,761.05x = 171,393,690,335.48
  5. Step 5: Solve for x
    x = 171,393,690,335.48/477,761.05
  6. Step 6: Final answer
    x = 358,743.54

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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.