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Finding the Fourth Proportional to 375,354.48, 518,026.38 and 214,233.86

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Solution

The fourth proportional to 375,354.48, 518,026.38 and 214,233.86 is: 295,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,354.48 : 518,026.38 = 214,233.86 : x
  2. Step 2: Convert to fraction form
    375,354.48/518,026.38 = 214,233.86/x
  3. Step 3: Cross multiply
    375,354.48x = 518,026.38 × 214,233.86
  4. Step 4: Simplify right side
    375,354.48x = 110,978,790,969.23
  5. Step 5: Solve for x
    x = 110,978,790,969.23/375,354.48
  6. Step 6: Final answer
    x = 295,663.96

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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.