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Finding the Fourth Proportional to 508,082.63, 701,263.37 and 304,179.05

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Solution

The fourth proportional to 508,082.63, 701,263.37 and 304,179.05 is: 419,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,082.63 : 701,263.37 = 304,179.05 : x
  2. Step 2: Convert to fraction form
    508,082.63/701,263.37 = 304,179.05/x
  3. Step 3: Cross multiply
    508,082.63x = 701,263.37 × 304,179.05
  4. Step 4: Simplify right side
    508,082.63x = 213,309,624,255.40
  5. Step 5: Solve for x
    x = 213,309,624,255.40/508,082.63
  6. Step 6: Final answer
    x = 419,832.55

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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.