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Finding the Fourth Proportional to 336,820.80, 504,064.80 and 231,844.80

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Solution

The fourth proportional to 336,820.80, 504,064.80 and 231,844.80 is: 346,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,820.80 : 504,064.80 = 231,844.80 : x
  2. Step 2: Convert to fraction form
    336,820.80/504,064.80 = 231,844.80/x
  3. Step 3: Cross multiply
    336,820.80x = 504,064.80 × 231,844.80
  4. Step 4: Simplify right side
    336,820.80x = 116,864,802,743.04
  5. Step 5: Solve for x
    x = 116,864,802,743.04/336,820.80
  6. Step 6: Final answer
    x = 346,964.33

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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.