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Finding the Fourth Proportional to 526,241.78, 789,166.71 and 189,190.46

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Solution

The fourth proportional to 526,241.78, 789,166.71 and 189,190.46 is: 283,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,241.78 : 789,166.71 = 189,190.46 : x
  2. Step 2: Convert to fraction form
    526,241.78/789,166.71 = 189,190.46/x
  3. Step 3: Cross multiply
    526,241.78x = 789,166.71 × 189,190.46
  4. Step 4: Simplify right side
    526,241.78x = 149,302,812,881.59
  5. Step 5: Solve for x
    x = 149,302,812,881.59/526,241.78
  6. Step 6: Final answer
    x = 283,715.24

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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.