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Finding the Fourth Proportional to 304,082.40, 455,605.20 and 251,205.60

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Solution

The fourth proportional to 304,082.40, 455,605.20 and 251,205.60 is: 376,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,082.40 : 455,605.20 = 251,205.60 : x
  2. Step 2: Convert to fraction form
    304,082.40/455,605.20 = 251,205.60/x
  3. Step 3: Cross multiply
    304,082.40x = 455,605.20 × 251,205.60
  4. Step 4: Simplify right side
    304,082.40x = 114,450,577,629.12
  5. Step 5: Solve for x
    x = 114,450,577,629.12/304,082.40
  6. Step 6: Final answer
    x = 376,380.14

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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.