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Finding the Fourth Proportional to 335,769.30, 503,325.90 and 300,339.90

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Solution

The fourth proportional to 335,769.30, 503,325.90 and 300,339.90 is: 450,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,769.30 : 503,325.90 = 300,339.90 : x
  2. Step 2: Convert to fraction form
    335,769.30/503,325.90 = 300,339.90/x
  3. Step 3: Cross multiply
    335,769.30x = 503,325.90 × 300,339.90
  4. Step 4: Simplify right side
    335,769.30x = 151,168,850,473.41
  5. Step 5: Solve for x
    x = 151,168,850,473.41/335,769.30
  6. Step 6: Final answer
    x = 450,216.41

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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.