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Finding the Fourth Proportional to 454,333.62, 626,984.66 and 250,392

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Solution

The fourth proportional to 454,333.62, 626,984.66 and 250,392 is: 345,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,333.62 : 626,984.66 = 250,392 : x
  2. Step 2: Convert to fraction form
    454,333.62/626,984.66 = 250,392/x
  3. Step 3: Cross multiply
    454,333.62x = 626,984.66 × 250,392
  4. Step 4: Simplify right side
    454,333.62x = 156,991,942,986.72
  5. Step 5: Solve for x
    x = 156,991,942,986.72/454,333.62
  6. Step 6: Final answer
    x = 345,543.31

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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.