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Finding the Fourth Proportional to 383,927.40, 575,891.10 and 184,213.80

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Solution

The fourth proportional to 383,927.40, 575,891.10 and 184,213.80 is: 276,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,927.40 : 575,891.10 = 184,213.80 : x
  2. Step 2: Convert to fraction form
    383,927.40/575,891.10 = 184,213.80/x
  3. Step 3: Cross multiply
    383,927.40x = 575,891.10 × 184,213.80
  4. Step 4: Simplify right side
    383,927.40x = 106,087,087,917.18
  5. Step 5: Solve for x
    x = 106,087,087,917.18/383,927.40
  6. Step 6: Final answer
    x = 276,320.70

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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.