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Finding the Fourth Proportional to 1,890,607.60, 2,835,574.60 and 753,274.44

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Solution

The fourth proportional to 1,890,607.60, 2,835,574.60 and 753,274.44 is: 1,129,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,607.60 : 2,835,574.60 = 753,274.44 : x
  2. Step 2: Convert to fraction form
    1,890,607.60/2,835,574.60 = 753,274.44/x
  3. Step 3: Cross multiply
    1,890,607.60x = 2,835,574.60 × 753,274.44
  4. Step 4: Simplify right side
    1,890,607.60x = 2,135,965,868,893.22
  5. Step 5: Solve for x
    x = 2,135,965,868,893.22/1,890,607.60
  6. Step 6: Final answer
    x = 1,129,777.47

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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.