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Finding the Fourth Proportional to 351,193.98, 484,647.72 and 190,049.04

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Solution

The fourth proportional to 351,193.98, 484,647.72 and 190,049.04 is: 262,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,193.98 : 484,647.72 = 190,049.04 : x
  2. Step 2: Convert to fraction form
    351,193.98/484,647.72 = 190,049.04/x
  3. Step 3: Cross multiply
    351,193.98x = 484,647.72 × 190,049.04
  4. Step 4: Simplify right side
    351,193.98x = 92,106,834,280.53
  5. Step 5: Solve for x
    x = 92,106,834,280.53/351,193.98
  6. Step 6: Final answer
    x = 262,267.69

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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.