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Finding the Fourth Proportional to 501,269.34, 752,002.38 and 220,786.50

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Solution

The fourth proportional to 501,269.34, 752,002.38 and 220,786.50 is: 331,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,269.34 : 752,002.38 = 220,786.50 : x
  2. Step 2: Convert to fraction form
    501,269.34/752,002.38 = 220,786.50/x
  3. Step 3: Cross multiply
    501,269.34x = 752,002.38 × 220,786.50
  4. Step 4: Simplify right side
    501,269.34x = 166,031,973,471.87
  5. Step 5: Solve for x
    x = 166,031,973,471.87/501,269.34
  6. Step 6: Final answer
    x = 331,223.08

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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.