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Finding the Fourth Proportional to 454,189.61, 626,756.54 and 250,200.43

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Solution

The fourth proportional to 454,189.61, 626,756.54 and 250,200.43 is: 345,262.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,189.61 : 626,756.54 = 250,200.43 : x
  2. Step 2: Convert to fraction form
    454,189.61/626,756.54 = 250,200.43/x
  3. Step 3: Cross multiply
    454,189.61x = 626,756.54 × 250,200.43
  4. Step 4: Simplify right side
    454,189.61x = 156,814,752,995.42
  5. Step 5: Solve for x
    x = 156,814,752,995.42/454,189.61
  6. Step 6: Final answer
    x = 345,262.75

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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.