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Finding the Fourth Proportional to 526,647.96, 789,785.10 and 189,598.12

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Solution

The fourth proportional to 526,647.96, 789,785.10 and 189,598.12 is: 284,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,647.96 : 789,785.10 = 189,598.12 : x
  2. Step 2: Convert to fraction form
    526,647.96/789,785.10 = 189,598.12/x
  3. Step 3: Cross multiply
    526,647.96x = 789,785.10 × 189,598.12
  4. Step 4: Simplify right side
    526,647.96x = 149,741,770,164.01
  5. Step 5: Solve for x
    x = 149,741,770,164.01/526,647.96
  6. Step 6: Final answer
    x = 284,329.92

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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.