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Finding the Fourth Proportional to 449,343.36, 674,084.16 and 168,880.32

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Solution

The fourth proportional to 449,343.36, 674,084.16 and 168,880.32 is: 253,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,343.36 : 674,084.16 = 168,880.32 : x
  2. Step 2: Convert to fraction form
    449,343.36/674,084.16 = 168,880.32/x
  3. Step 3: Cross multiply
    449,343.36x = 674,084.16 × 168,880.32
  4. Step 4: Simplify right side
    449,343.36x = 113,839,548,647.73
  5. Step 5: Solve for x
    x = 113,839,548,647.73/449,343.36
  6. Step 6: Final answer
    x = 253,346.46

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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.