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Finding the Fourth Proportional to 274,350.90, 384,353.70 and 274,350.90

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Solution

The fourth proportional to 274,350.90, 384,353.70 and 274,350.90 is: 384,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,350.90 : 384,353.70 = 274,350.90 : x
  2. Step 2: Convert to fraction form
    274,350.90/384,353.70 = 274,350.90/x
  3. Step 3: Cross multiply
    274,350.90x = 384,353.70 × 274,350.90
  4. Step 4: Simplify right side
    274,350.90x = 105,447,783,513.33
  5. Step 5: Solve for x
    x = 105,447,783,513.33/274,350.90
  6. Step 6: Final answer
    x = 384,353.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.