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Finding the Fourth Proportional to 375,763.22, 518,608.64 and 237,954.72

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Solution

The fourth proportional to 375,763.22, 518,608.64 and 237,954.72 is: 328,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,763.22 : 518,608.64 = 237,954.72 : x
  2. Step 2: Convert to fraction form
    375,763.22/518,608.64 = 237,954.72/x
  3. Step 3: Cross multiply
    375,763.22x = 518,608.64 × 237,954.72
  4. Step 4: Simplify right side
    375,763.22x = 123,405,372,531.01
  5. Step 5: Solve for x
    x = 123,405,372,531.01/375,763.22
  6. Step 6: Final answer
    x = 328,412.59

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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.