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Finding the Fourth Proportional to 526,476.88, 789,530.55 and 147,295.73

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Solution

The fourth proportional to 526,476.88, 789,530.55 and 147,295.73 is: 220,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,476.88 : 789,530.55 = 147,295.73 : x
  2. Step 2: Convert to fraction form
    526,476.88/789,530.55 = 147,295.73/x
  3. Step 3: Cross multiply
    526,476.88x = 789,530.55 × 147,295.73
  4. Step 4: Simplify right side
    526,476.88x = 116,294,474,771.90
  5. Step 5: Solve for x
    x = 116,294,474,771.90/526,476.88
  6. Step 6: Final answer
    x = 220,891.90

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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.