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Finding the Fourth Proportional to 731,169.84, 1,096,845 and 356,910

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Solution

The fourth proportional to 731,169.84, 1,096,845 and 356,910 is: 535,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,169.84 : 1,096,845 = 356,910 : x
  2. Step 2: Convert to fraction form
    731,169.84/1,096,845 = 356,910/x
  3. Step 3: Cross multiply
    731,169.84x = 1,096,845 × 356,910
  4. Step 4: Simplify right side
    731,169.84x = 391,474,948,950
  5. Step 5: Solve for x
    x = 391,474,948,950/731,169.84
  6. Step 6: Final answer
    x = 535,409.05

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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.