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Finding the Fourth Proportional to 275,887.44, 413,801.76 and 170,678.16

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Solution

The fourth proportional to 275,887.44, 413,801.76 and 170,678.16 is: 255,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,887.44 : 413,801.76 = 170,678.16 : x
  2. Step 2: Convert to fraction form
    275,887.44/413,801.76 = 170,678.16/x
  3. Step 3: Cross multiply
    275,887.44x = 413,801.76 × 170,678.16
  4. Step 4: Simplify right side
    275,887.44x = 70,626,923,001.56
  5. Step 5: Solve for x
    x = 70,626,923,001.56/275,887.44
  6. Step 6: Final answer
    x = 255,999.05

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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.