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Finding the Fourth Proportional to 634,605.60, 951,951.60 and 202,288.80

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Solution

The fourth proportional to 634,605.60, 951,951.60 and 202,288.80 is: 303,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,605.60 : 951,951.60 = 202,288.80 : x
  2. Step 2: Convert to fraction form
    634,605.60/951,951.60 = 202,288.80/x
  3. Step 3: Cross multiply
    634,605.60x = 951,951.60 × 202,288.80
  4. Step 4: Simplify right side
    634,605.60x = 192,569,146,822.08
  5. Step 5: Solve for x
    x = 192,569,146,822.08/634,605.60
  6. Step 6: Final answer
    x = 303,446.97

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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.