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Finding the Fourth Proportional to 288,324.36, 397,887.93 and 160,999.92

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Solution

The fourth proportional to 288,324.36, 397,887.93 and 160,999.92 is: 222,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,324.36 : 397,887.93 = 160,999.92 : x
  2. Step 2: Convert to fraction form
    288,324.36/397,887.93 = 160,999.92/x
  3. Step 3: Cross multiply
    288,324.36x = 397,887.93 × 160,999.92
  4. Step 4: Simplify right side
    288,324.36x = 64,059,924,898.97
  5. Step 5: Solve for x
    x = 64,059,924,898.97/288,324.36
  6. Step 6: Final answer
    x = 222,180.06

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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.