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Finding the Fourth Proportional to 501,514.50, 752,388.39 and 169,090.50

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Solution

The fourth proportional to 501,514.50, 752,388.39 and 169,090.50 is: 253,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,514.50 : 752,388.39 = 169,090.50 : x
  2. Step 2: Convert to fraction form
    501,514.50/752,388.39 = 169,090.50/x
  3. Step 3: Cross multiply
    501,514.50x = 752,388.39 × 169,090.50
  4. Step 4: Simplify right side
    501,514.50x = 127,221,729,059.30
  5. Step 5: Solve for x
    x = 127,221,729,059.30/501,514.50
  6. Step 6: Final answer
    x = 253,675.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.