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Finding the Fourth Proportional to 404,360.88, 557,906.04 and 261,126.96

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Solution

The fourth proportional to 404,360.88, 557,906.04 and 261,126.96 is: 360,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,360.88 : 557,906.04 = 261,126.96 : x
  2. Step 2: Convert to fraction form
    404,360.88/557,906.04 = 261,126.96/x
  3. Step 3: Cross multiply
    404,360.88x = 557,906.04 × 261,126.96
  4. Step 4: Simplify right side
    404,360.88x = 145,684,308,190.84
  5. Step 5: Solve for x
    x = 145,684,308,190.84/404,360.88
  6. Step 6: Final answer
    x = 360,282.89

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1.5x scale

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.