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Finding the Fourth Proportional to 322,484.20, 483,726.30 and 293,453.80

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Solution

The fourth proportional to 322,484.20, 483,726.30 and 293,453.80 is: 440,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,484.20 : 483,726.30 = 293,453.80 : x
  2. Step 2: Convert to fraction form
    322,484.20/483,726.30 = 293,453.80/x
  3. Step 3: Cross multiply
    322,484.20x = 483,726.30 × 293,453.80
  4. Step 4: Simplify right side
    322,484.20x = 141,951,320,894.94
  5. Step 5: Solve for x
    x = 141,951,320,894.94/322,484.20
  6. Step 6: Final answer
    x = 440,180.70

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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.