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Finding the Fourth Proportional to 288,370.08, 397,946.52 and 161,047.44

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Solution

The fourth proportional to 288,370.08, 397,946.52 and 161,047.44 is: 222,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,370.08 : 397,946.52 = 161,047.44 : x
  2. Step 2: Convert to fraction form
    288,370.08/397,946.52 = 161,047.44/x
  3. Step 3: Cross multiply
    288,370.08x = 397,946.52 × 161,047.44
  4. Step 4: Simplify right side
    288,370.08x = 64,088,268,302.91
  5. Step 5: Solve for x
    x = 64,088,268,302.91/288,370.08
  6. Step 6: Final answer
    x = 222,243.13

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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.