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Finding the Fourth Proportional to 501,271.27, 752,103.77 and 220,591.69

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Solution

The fourth proportional to 501,271.27, 752,103.77 and 220,591.69 is: 330,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,271.27 : 752,103.77 = 220,591.69 : x
  2. Step 2: Convert to fraction form
    501,271.27/752,103.77 = 220,591.69/x
  3. Step 3: Cross multiply
    501,271.27x = 752,103.77 × 220,591.69
  4. Step 4: Simplify right side
    501,271.27x = 165,907,838,696.45
  5. Step 5: Solve for x
    x = 165,907,838,696.45/501,271.27
  6. Step 6: Final answer
    x = 330,974.16

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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.