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Finding the Fourth Proportional to 543,000.30, 814,763.40 and 223,388.37

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Solution

The fourth proportional to 543,000.30, 814,763.40 and 223,388.37 is: 335,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,000.30 : 814,763.40 = 223,388.37 : x
  2. Step 2: Convert to fraction form
    543,000.30/814,763.40 = 223,388.37/x
  3. Step 3: Cross multiply
    543,000.30x = 814,763.40 × 223,388.37
  4. Step 4: Simplify right side
    543,000.30x = 182,008,663,787.84
  5. Step 5: Solve for x
    x = 182,008,663,787.84/543,000.30
  6. Step 6: Final answer
    x = 335,190.72

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1.5x scale

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.