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Finding the Fourth Proportional to 303,170.30, 418,381.74 and 167,208.32

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Solution

The fourth proportional to 303,170.30, 418,381.74 and 167,208.32 is: 230,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,170.30 : 418,381.74 = 167,208.32 : x
  2. Step 2: Convert to fraction form
    303,170.30/418,381.74 = 167,208.32/x
  3. Step 3: Cross multiply
    303,170.30x = 418,381.74 × 167,208.32
  4. Step 4: Simplify right side
    303,170.30x = 69,956,907,864.08
  5. Step 5: Solve for x
    x = 69,956,907,864.08/303,170.30
  6. Step 6: Final answer
    x = 230,751.19

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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.