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Finding the Fourth Proportional to 1,704,625, 2,352,380.34 and 940,678.60

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Solution

The fourth proportional to 1,704,625, 2,352,380.34 and 940,678.60 is: 1,298,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,625 : 2,352,380.34 = 940,678.60 : x
  2. Step 2: Convert to fraction form
    1,704,625/2,352,380.34 = 940,678.60/x
  3. Step 3: Cross multiply
    1,704,625x = 2,352,380.34 × 940,678.60
  4. Step 4: Simplify right side
    1,704,625x = 2,212,833,844,898.72
  5. Step 5: Solve for x
    x = 2,212,833,844,898.72/1,704,625
  6. Step 6: Final answer
    x = 1,298,135.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.