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Finding the Fourth Proportional to 526,230.01, 789,149.09 and 189,178.68

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Solution

The fourth proportional to 526,230.01, 789,149.09 and 189,178.68 is: 283,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,230.01 : 789,149.09 = 189,178.68 : x
  2. Step 2: Convert to fraction form
    526,230.01/789,149.09 = 189,178.68/x
  3. Step 3: Cross multiply
    526,230.01x = 789,149.09 × 189,178.68
  4. Step 4: Simplify right side
    526,230.01x = 149,290,183,642.35
  5. Step 5: Solve for x
    x = 149,290,183,642.35/526,230.01
  6. Step 6: Final answer
    x = 283,697.59

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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.