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Finding the Fourth Proportional to 501,269.40, 752,101.02 and 220,589.82

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Solution

The fourth proportional to 501,269.40, 752,101.02 and 220,589.82 is: 330,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,269.40 : 752,101.02 = 220,589.82 : x
  2. Step 2: Convert to fraction form
    501,269.40/752,101.02 = 220,589.82/x
  3. Step 3: Cross multiply
    501,269.40x = 752,101.02 × 220,589.82
  4. Step 4: Simplify right side
    501,269.40x = 165,905,828,623.62
  5. Step 5: Solve for x
    x = 165,905,828,623.62/501,269.40
  6. Step 6: Final answer
    x = 330,971.39

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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.