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Finding the Fourth Proportional to 251,919.40, 377,879.10 and 251,919.40

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Solution

The fourth proportional to 251,919.40, 377,879.10 and 251,919.40 is: 377,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,919.40 : 377,879.10 = 251,919.40 : x
  2. Step 2: Convert to fraction form
    251,919.40/377,879.10 = 251,919.40/x
  3. Step 3: Cross multiply
    251,919.40x = 377,879.10 × 251,919.40
  4. Step 4: Simplify right side
    251,919.40x = 95,195,076,144.54
  5. Step 5: Solve for x
    x = 95,195,076,144.54/251,919.40
  6. Step 6: Final answer
    x = 377,879.10

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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.