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Finding the Fourth Proportional to 851,375.56, 1,277,894.40 and 703,126.12

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Solution

The fourth proportional to 851,375.56, 1,277,894.40 and 703,126.12 is: 1,055,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,375.56 : 1,277,894.40 = 703,126.12 : x
  2. Step 2: Convert to fraction form
    851,375.56/1,277,894.40 = 703,126.12/x
  3. Step 3: Cross multiply
    851,375.56x = 1,277,894.40 × 703,126.12
  4. Step 4: Simplify right side
    851,375.56x = 898,520,931,241.73
  5. Step 5: Solve for x
    x = 898,520,931,241.73/851,375.56
  6. Step 6: Final answer
    x = 1,055,375.53

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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.