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Finding the Fourth Proportional to 544,405.50, 751,279.59 and 305,941.50

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Solution

The fourth proportional to 544,405.50, 751,279.59 and 305,941.50 is: 422,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,405.50 : 751,279.59 = 305,941.50 : x
  2. Step 2: Convert to fraction form
    544,405.50/751,279.59 = 305,941.50/x
  3. Step 3: Cross multiply
    544,405.50x = 751,279.59 × 305,941.50
  4. Step 4: Simplify right side
    544,405.50x = 229,847,604,683.99
  5. Step 5: Solve for x
    x = 229,847,604,683.99/544,405.50
  6. Step 6: Final answer
    x = 422,199.27

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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.