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Finding the Fourth Proportional to 526,648.96, 789,786.60 and 189,599.12

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Solution

The fourth proportional to 526,648.96, 789,786.60 and 189,599.12 is: 284,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,648.96 : 789,786.60 = 189,599.12 : x
  2. Step 2: Convert to fraction form
    526,648.96/789,786.60 = 189,599.12/x
  3. Step 3: Cross multiply
    526,648.96x = 789,786.60 × 189,599.12
  4. Step 4: Simplify right side
    526,648.96x = 149,742,844,347.79
  5. Step 5: Solve for x
    x = 149,742,844,347.79/526,648.96
  6. Step 6: Final answer
    x = 284,331.42

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1.5x scale

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.