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Finding the Fourth Proportional to 561,179.34, 841,287.87 and 206,010.54

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Solution

The fourth proportional to 561,179.34, 841,287.87 and 206,010.54 is: 308,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,179.34 : 841,287.87 = 206,010.54 : x
  2. Step 2: Convert to fraction form
    561,179.34/841,287.87 = 206,010.54/x
  3. Step 3: Cross multiply
    561,179.34x = 841,287.87 × 206,010.54
  4. Step 4: Simplify right side
    561,179.34x = 173,314,168,394.15
  5. Step 5: Solve for x
    x = 173,314,168,394.15/561,179.34
  6. Step 6: Final answer
    x = 308,839.18

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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.