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Finding the Fourth Proportional to 245,429.30, 367,625.55 and 203,957.30

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Solution

The fourth proportional to 245,429.30, 367,625.55 and 203,957.30 is: 305,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,429.30 : 367,625.55 = 203,957.30 : x
  2. Step 2: Convert to fraction form
    245,429.30/367,625.55 = 203,957.30/x
  3. Step 3: Cross multiply
    245,429.30x = 367,625.55 × 203,957.30
  4. Step 4: Simplify right side
    245,429.30x = 74,979,914,589.02
  5. Step 5: Solve for x
    x = 74,979,914,589.02/245,429.30
  6. Step 6: Final answer
    x = 305,505.15

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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.