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Finding the Fourth Proportional to 366,965.30, 550,156.35 and 200,753.30

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Solution

The fourth proportional to 366,965.30, 550,156.35 and 200,753.30 is: 300,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,965.30 : 550,156.35 = 200,753.30 : x
  2. Step 2: Convert to fraction form
    366,965.30/550,156.35 = 200,753.30/x
  3. Step 3: Cross multiply
    366,965.30x = 550,156.35 × 200,753.30
  4. Step 4: Simplify right side
    366,965.30x = 110,445,702,778.46
  5. Step 5: Solve for x
    x = 110,445,702,778.46/366,965.30
  6. Step 6: Final answer
    x = 300,970.43

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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.