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Finding the Fourth Proportional to 269,536.76, 372,080.28 and 174,090

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Solution

The fourth proportional to 269,536.76, 372,080.28 and 174,090 is: 240,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,536.76 : 372,080.28 = 174,090 : x
  2. Step 2: Convert to fraction form
    269,536.76/372,080.28 = 174,090/x
  3. Step 3: Cross multiply
    269,536.76x = 372,080.28 × 174,090
  4. Step 4: Simplify right side
    269,536.76x = 64,775,455,945.20
  5. Step 5: Solve for x
    x = 64,775,455,945.20/269,536.76
  6. Step 6: Final answer
    x = 240,321.42

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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.