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Finding the Fourth Proportional to 526,477.88, 789,532.05 and 147,296.73

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Solution

The fourth proportional to 526,477.88, 789,532.05 and 147,296.73 is: 220,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,477.88 : 789,532.05 = 147,296.73 : x
  2. Step 2: Convert to fraction form
    526,477.88/789,532.05 = 147,296.73/x
  3. Step 3: Cross multiply
    526,477.88x = 789,532.05 × 147,296.73
  4. Step 4: Simplify right side
    526,477.88x = 116,295,489,195.20
  5. Step 5: Solve for x
    x = 116,295,489,195.20/526,477.88
  6. Step 6: Final answer
    x = 220,893.40

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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.