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Finding the Fourth Proportional to 466,428.70, 699,790.70 and 166,902.63

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Solution

The fourth proportional to 466,428.70, 699,790.70 and 166,902.63 is: 250,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,428.70 : 699,790.70 = 166,902.63 : x
  2. Step 2: Convert to fraction form
    466,428.70/699,790.70 = 166,902.63/x
  3. Step 3: Cross multiply
    466,428.70x = 699,790.70 × 166,902.63
  4. Step 4: Simplify right side
    466,428.70x = 116,796,908,279.54
  5. Step 5: Solve for x
    x = 116,796,908,279.54/466,428.70
  6. Step 6: Final answer
    x = 250,406.78

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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.