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Finding the Fourth Proportional to 501,835.72, 752,269.74 and 169,230.28

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Solution

The fourth proportional to 501,835.72, 752,269.74 and 169,230.28 is: 253,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,835.72 : 752,269.74 = 169,230.28 : x
  2. Step 2: Convert to fraction form
    501,835.72/752,269.74 = 169,230.28/x
  3. Step 3: Cross multiply
    501,835.72x = 752,269.74 × 169,230.28
  4. Step 4: Simplify right side
    501,835.72x = 127,306,818,735.73
  5. Step 5: Solve for x
    x = 127,306,818,735.73/501,835.72
  6. Step 6: Final answer
    x = 253,682.26

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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.