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Finding the Fourth Proportional to 530,150.44, 731,626.66 and 303,839.08

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Solution

The fourth proportional to 530,150.44, 731,626.66 and 303,839.08 is: 419,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,150.44 : 731,626.66 = 303,839.08 : x
  2. Step 2: Convert to fraction form
    530,150.44/731,626.66 = 303,839.08/x
  3. Step 3: Cross multiply
    530,150.44x = 731,626.66 × 303,839.08
  4. Step 4: Simplify right side
    530,150.44x = 222,296,771,277.87
  5. Step 5: Solve for x
    x = 222,296,771,277.87/530,150.44
  6. Step 6: Final answer
    x = 419,308.85

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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.