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Finding the Fourth Proportional to 344,652.60, 517,367.70 and 204,490.20

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Solution

The fourth proportional to 344,652.60, 517,367.70 and 204,490.20 is: 306,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,652.60 : 517,367.70 = 204,490.20 : x
  2. Step 2: Convert to fraction form
    344,652.60/517,367.70 = 204,490.20/x
  3. Step 3: Cross multiply
    344,652.60x = 517,367.70 × 204,490.20
  4. Step 4: Simplify right side
    344,652.60x = 105,796,624,446.54
  5. Step 5: Solve for x
    x = 105,796,624,446.54/344,652.60
  6. Step 6: Final answer
    x = 306,965.98

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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.