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Finding the Fourth Proportional to 298,260.28, 411,606.03 and 169,207.39

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Solution

The fourth proportional to 298,260.28, 411,606.03 and 169,207.39 is: 233,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,260.28 : 411,606.03 = 169,207.39 : x
  2. Step 2: Convert to fraction form
    298,260.28/411,606.03 = 169,207.39/x
  3. Step 3: Cross multiply
    298,260.28x = 411,606.03 × 169,207.39
  4. Step 4: Simplify right side
    298,260.28x = 69,646,782,044.56
  5. Step 5: Solve for x
    x = 69,646,782,044.56/298,260.28
  6. Step 6: Final answer
    x = 233,510.08

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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.