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Finding the Fourth Proportional to 526,213.96, 789,361.98 and 189,298.42

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Solution

The fourth proportional to 526,213.96, 789,361.98 and 189,298.42 is: 283,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,213.96 : 789,361.98 = 189,298.42 : x
  2. Step 2: Convert to fraction form
    526,213.96/789,361.98 = 189,298.42/x
  3. Step 3: Cross multiply
    526,213.96x = 789,361.98 × 189,298.42
  4. Step 4: Simplify right side
    526,213.96x = 149,424,975,622.07
  5. Step 5: Solve for x
    x = 149,424,975,622.07/526,213.96
  6. Step 6: Final answer
    x = 283,962.39

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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.