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Finding the Fourth Proportional to 451,221.36, 622,710.36 and 250,013.04

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Solution

The fourth proportional to 451,221.36, 622,710.36 and 250,013.04 is: 345,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,221.36 : 622,710.36 = 250,013.04 : x
  2. Step 2: Convert to fraction form
    451,221.36/622,710.36 = 250,013.04/x
  3. Step 3: Cross multiply
    451,221.36x = 622,710.36 × 250,013.04
  4. Step 4: Simplify right side
    451,221.36x = 155,685,710,143.09
  5. Step 5: Solve for x
    x = 155,685,710,143.09/451,221.36
  6. Step 6: Final answer
    x = 345,031.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.