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Finding the Fourth Proportional to 303,551.44, 418,915 and 167,604.68

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Solution

The fourth proportional to 303,551.44, 418,915 and 167,604.68 is: 231,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,551.44 : 418,915 = 167,604.68 : x
  2. Step 2: Convert to fraction form
    303,551.44/418,915 = 167,604.68/x
  3. Step 3: Cross multiply
    303,551.44x = 418,915 × 167,604.68
  4. Step 4: Simplify right side
    303,551.44x = 70,212,114,522.20
  5. Step 5: Solve for x
    x = 70,212,114,522.20/303,551.44
  6. Step 6: Final answer
    x = 231,302.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.