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Finding the Fourth Proportional to 375,932.48, 518,644.48 and 239,971.52

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Solution

The fourth proportional to 375,932.48, 518,644.48 and 239,971.52 is: 331,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,932.48 : 518,644.48 = 239,971.52 : x
  2. Step 2: Convert to fraction form
    375,932.48/518,644.48 = 239,971.52/x
  3. Step 3: Cross multiply
    375,932.48x = 518,644.48 × 239,971.52
  4. Step 4: Simplify right side
    375,932.48x = 124,459,904,205.21
  5. Step 5: Solve for x
    x = 124,459,904,205.21/375,932.48
  6. Step 6: Final answer
    x = 331,069.84

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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.