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Finding the Fourth Proportional to 303,999.16, 419,518.02 and 169,863.16

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Solution

The fourth proportional to 303,999.16, 419,518.02 and 169,863.16 is: 234,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,999.16 : 419,518.02 = 169,863.16 : x
  2. Step 2: Convert to fraction form
    303,999.16/419,518.02 = 169,863.16/x
  3. Step 3: Cross multiply
    303,999.16x = 419,518.02 × 169,863.16
  4. Step 4: Simplify right side
    303,999.16x = 71,260,656,554.14
  5. Step 5: Solve for x
    x = 71,260,656,554.14/303,999.16
  6. Step 6: Final answer
    x = 234,410.70

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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.