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Finding the Fourth Proportional to 245,425.30, 367,619.55 and 203,953.30

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Solution

The fourth proportional to 245,425.30, 367,619.55 and 203,953.30 is: 305,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,425.30 : 367,619.55 = 203,953.30 : x
  2. Step 2: Convert to fraction form
    245,425.30/367,619.55 = 203,953.30/x
  3. Step 3: Cross multiply
    245,425.30x = 367,619.55 × 203,953.30
  4. Step 4: Simplify right side
    245,425.30x = 74,977,220,367.02
  5. Step 5: Solve for x
    x = 74,977,220,367.02/245,425.30
  6. Step 6: Final answer
    x = 305,499.15

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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.