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Finding the Fourth Proportional to 409,892.80, 614,450.40 and 367,902.40

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Solution

The fourth proportional to 409,892.80, 614,450.40 and 367,902.40 is: 551,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,892.80 : 614,450.40 = 367,902.40 : x
  2. Step 2: Convert to fraction form
    409,892.80/614,450.40 = 367,902.40/x
  3. Step 3: Cross multiply
    409,892.80x = 614,450.40 × 367,902.40
  4. Step 4: Simplify right side
    409,892.80x = 226,057,776,840.96
  5. Step 5: Solve for x
    x = 226,057,776,840.96/409,892.80
  6. Step 6: Final answer
    x = 551,504.63

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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.