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Finding the Fourth Proportional to 411,177.54, 567,446.67 and 250,005.90

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Solution

The fourth proportional to 411,177.54, 567,446.67 and 250,005.90 is: 345,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,177.54 : 567,446.67 = 250,005.90 : x
  2. Step 2: Convert to fraction form
    411,177.54/567,446.67 = 250,005.90/x
  3. Step 3: Cross multiply
    411,177.54x = 567,446.67 × 250,005.90
  4. Step 4: Simplify right side
    411,177.54x = 141,865,015,435.35
  5. Step 5: Solve for x
    x = 141,865,015,435.35/411,177.54
  6. Step 6: Final answer
    x = 345,021.31

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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.