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Finding the Fourth Proportional to 739,662.30, 1,109,493.45 and 606,692.70

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Solution

The fourth proportional to 739,662.30, 1,109,493.45 and 606,692.70 is: 910,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,662.30 : 1,109,493.45 = 606,692.70 : x
  2. Step 2: Convert to fraction form
    739,662.30/1,109,493.45 = 606,692.70/x
  3. Step 3: Cross multiply
    739,662.30x = 1,109,493.45 × 606,692.70
  4. Step 4: Simplify right side
    739,662.30x = 673,121,576,812.82
  5. Step 5: Solve for x
    x = 673,121,576,812.82/739,662.30
  6. Step 6: Final answer
    x = 910,039.05

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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.