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Finding the Fourth Proportional to 303,162.22, 418,387.80 and 167,208.58

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Solution

The fourth proportional to 303,162.22, 418,387.80 and 167,208.58 is: 230,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,162.22 : 418,387.80 = 167,208.58 : x
  2. Step 2: Convert to fraction form
    303,162.22/418,387.80 = 167,208.58/x
  3. Step 3: Cross multiply
    303,162.22x = 418,387.80 × 167,208.58
  4. Step 4: Simplify right side
    303,162.22x = 69,958,029,927.32
  5. Step 5: Solve for x
    x = 69,958,029,927.32/303,162.22
  6. Step 6: Final answer
    x = 230,761.04

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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.