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Finding the Fourth Proportional to 322,842.60, 483,956.70 and 251,725.80

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Solution

The fourth proportional to 322,842.60, 483,956.70 and 251,725.80 is: 377,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,842.60 : 483,956.70 = 251,725.80 : x
  2. Step 2: Convert to fraction form
    322,842.60/483,956.70 = 251,725.80/x
  3. Step 3: Cross multiply
    322,842.60x = 483,956.70 × 251,725.80
  4. Step 4: Simplify right side
    322,842.60x = 121,824,387,472.86
  5. Step 5: Solve for x
    x = 121,824,387,472.86/322,842.60
  6. Step 6: Final answer
    x = 377,349.17

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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.