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Finding the Fourth Proportional to 976,843.80, 1,465,265.70 and 967,512.60

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Solution

The fourth proportional to 976,843.80, 1,465,265.70 and 967,512.60 is: 1,451,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,843.80 : 1,465,265.70 = 967,512.60 : x
  2. Step 2: Convert to fraction form
    976,843.80/1,465,265.70 = 967,512.60/x
  3. Step 3: Cross multiply
    976,843.80x = 1,465,265.70 × 967,512.60
  4. Step 4: Simplify right side
    976,843.80x = 1,417,663,027,097.82
  5. Step 5: Solve for x
    x = 1,417,663,027,097.82/976,843.80
  6. Step 6: Final answer
    x = 1,451,268.90

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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.