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Finding the Fourth Proportional to 269,717.60, 404,041.80 and 236,475.20

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Solution

The fourth proportional to 269,717.60, 404,041.80 and 236,475.20 is: 354,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,717.60 : 404,041.80 = 236,475.20 : x
  2. Step 2: Convert to fraction form
    269,717.60/404,041.80 = 236,475.20/x
  3. Step 3: Cross multiply
    269,717.60x = 404,041.80 × 236,475.20
  4. Step 4: Simplify right side
    269,717.60x = 95,545,865,463.36
  5. Step 5: Solve for x
    x = 95,545,865,463.36/269,717.60
  6. Step 6: Final answer
    x = 354,244.09

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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.