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Finding the Fourth Proportional to 525,744.50, 789,178.10 and 226,373.30

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Solution

The fourth proportional to 525,744.50, 789,178.10 and 226,373.30 is: 339,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,744.50 : 789,178.10 = 226,373.30 : x
  2. Step 2: Convert to fraction form
    525,744.50/789,178.10 = 226,373.30/x
  3. Step 3: Cross multiply
    525,744.50x = 789,178.10 × 226,373.30
  4. Step 4: Simplify right side
    525,744.50x = 178,648,847,404.77
  5. Step 5: Solve for x
    x = 178,648,847,404.77/525,744.50
  6. Step 6: Final answer
    x = 339,801.65

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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.