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Finding the Fourth Proportional to 253,151.80, 379,727.70 and 253,151.80

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Solution

The fourth proportional to 253,151.80, 379,727.70 and 253,151.80 is: 379,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,151.80 : 379,727.70 = 253,151.80 : x
  2. Step 2: Convert to fraction form
    253,151.80/379,727.70 = 253,151.80/x
  3. Step 3: Cross multiply
    253,151.80x = 379,727.70 × 253,151.80
  4. Step 4: Simplify right side
    253,151.80x = 96,128,750,764.86
  5. Step 5: Solve for x
    x = 96,128,750,764.86/253,151.80
  6. Step 6: Final answer
    x = 379,727.70

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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.