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Finding the Fourth Proportional to 5,265,193.04, 7,897,789.56 and 1,276,105.04

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Solution

The fourth proportional to 5,265,193.04, 7,897,789.56 and 1,276,105.04 is: 1,914,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,193.04 : 7,897,789.56 = 1,276,105.04 : x
  2. Step 2: Convert to fraction form
    5,265,193.04/7,897,789.56 = 1,276,105.04/x
  3. Step 3: Cross multiply
    5,265,193.04x = 7,897,789.56 × 1,276,105.04
  4. Step 4: Simplify right side
    5,265,193.04x = 10,078,409,062,375.38
  5. Step 5: Solve for x
    x = 10,078,409,062,375.38/5,265,193.04
  6. Step 6: Final answer
    x = 1,914,157.56

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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.