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Finding the Fourth Proportional to 375,782, 518,851.32 and 241,879.28

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Solution

The fourth proportional to 375,782, 518,851.32 and 241,879.28 is: 333,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,782 : 518,851.32 = 241,879.28 : x
  2. Step 2: Convert to fraction form
    375,782/518,851.32 = 241,879.28/x
  3. Step 3: Cross multiply
    375,782x = 518,851.32 × 241,879.28
  4. Step 4: Simplify right side
    375,782x = 125,499,383,708.65
  5. Step 5: Solve for x
    x = 125,499,383,708.65/375,782
  6. Step 6: Final answer
    x = 333,968.59

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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.