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Finding the Fourth Proportional to 424,351.28, 585,619.80 and 233,379.44

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Solution

The fourth proportional to 424,351.28, 585,619.80 and 233,379.44 is: 322,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,351.28 : 585,619.80 = 233,379.44 : x
  2. Step 2: Convert to fraction form
    424,351.28/585,619.80 = 233,379.44/x
  3. Step 3: Cross multiply
    424,351.28x = 585,619.80 × 233,379.44
  4. Step 4: Simplify right side
    424,351.28x = 136,671,620,976.91
  5. Step 5: Solve for x
    x = 136,671,620,976.91/424,351.28
  6. Step 6: Final answer
    x = 322,071.90

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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.