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Finding the Fourth Proportional to 303,478.46, 418,800.32 and 167,512.44

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Solution

The fourth proportional to 303,478.46, 418,800.32 and 167,512.44 is: 231,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,478.46 : 418,800.32 = 167,512.44 : x
  2. Step 2: Convert to fraction form
    303,478.46/418,800.32 = 167,512.44/x
  3. Step 3: Cross multiply
    303,478.46x = 418,800.32 × 167,512.44
  4. Step 4: Simplify right side
    303,478.46x = 70,154,263,475.98
  5. Step 5: Solve for x
    x = 70,154,263,475.98/303,478.46
  6. Step 6: Final answer
    x = 231,167.19

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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.