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Finding the Fourth Proportional to 424,339.45, 585,570.62 and 240,590.39

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Solution

The fourth proportional to 424,339.45, 585,570.62 and 240,590.39 is: 332,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,339.45 : 585,570.62 = 240,590.39 : x
  2. Step 2: Convert to fraction form
    424,339.45/585,570.62 = 240,590.39/x
  3. Step 3: Cross multiply
    424,339.45x = 585,570.62 × 240,590.39
  4. Step 4: Simplify right side
    424,339.45x = 140,882,661,511.97
  5. Step 5: Solve for x
    x = 140,882,661,511.97/424,339.45
  6. Step 6: Final answer
    x = 332,004.63

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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.