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Finding the Fourth Proportional to 453,992.84, 626,505.06 and 250,039.88

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Solution

The fourth proportional to 453,992.84, 626,505.06 and 250,039.88 is: 345,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,992.84 : 626,505.06 = 250,039.88 : x
  2. Step 2: Convert to fraction form
    453,992.84/626,505.06 = 250,039.88/x
  3. Step 3: Cross multiply
    453,992.84x = 626,505.06 × 250,039.88
  4. Step 4: Simplify right side
    453,992.84x = 156,651,250,021.79
  5. Step 5: Solve for x
    x = 156,651,250,021.79/453,992.84
  6. Step 6: Final answer
    x = 345,052.25

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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.