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Finding the Fourth Proportional to 605,692.93, 835,856.31 and 351,191.74

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Solution

The fourth proportional to 605,692.93, 835,856.31 and 351,191.74 is: 484,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,692.93 : 835,856.31 = 351,191.74 : x
  2. Step 2: Convert to fraction form
    605,692.93/835,856.31 = 351,191.74/x
  3. Step 3: Cross multiply
    605,692.93x = 835,856.31 × 351,191.74
  4. Step 4: Simplify right side
    605,692.93x = 293,545,831,898.88
  5. Step 5: Solve for x
    x = 293,545,831,898.88/605,692.93
  6. Step 6: Final answer
    x = 484,644.64

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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.