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Finding the Fourth Proportional to 284,241.05, 426,211.67 and 251,865.25

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Solution

The fourth proportional to 284,241.05, 426,211.67 and 251,865.25 is: 377,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,241.05 : 426,211.67 = 251,865.25 : x
  2. Step 2: Convert to fraction form
    284,241.05/426,211.67 = 251,865.25/x
  3. Step 3: Cross multiply
    284,241.05x = 426,211.67 × 251,865.25
  4. Step 4: Simplify right side
    284,241.05x = 107,347,908,381.60
  5. Step 5: Solve for x
    x = 107,347,908,381.60/284,241.05
  6. Step 6: Final answer
    x = 377,665.04

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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.