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Finding the Fourth Proportional to 650,989.50, 976,490.01 and 230,336.70

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Solution

The fourth proportional to 650,989.50, 976,490.01 and 230,336.70 is: 345,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,989.50 : 976,490.01 = 230,336.70 : x
  2. Step 2: Convert to fraction form
    650,989.50/976,490.01 = 230,336.70/x
  3. Step 3: Cross multiply
    650,989.50x = 976,490.01 × 230,336.70
  4. Step 4: Simplify right side
    650,989.50x = 224,921,486,486.37
  5. Step 5: Solve for x
    x = 224,921,486,486.37/650,989.50
  6. Step 6: Final answer
    x = 345,507.09

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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.