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Finding the Fourth Proportional to 303,005.65, 418,149.06 and 167,036.61

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Solution

The fourth proportional to 303,005.65, 418,149.06 and 167,036.61 is: 230,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,005.65 : 418,149.06 = 167,036.61 : x
  2. Step 2: Convert to fraction form
    303,005.65/418,149.06 = 167,036.61/x
  3. Step 3: Cross multiply
    303,005.65x = 418,149.06 × 167,036.61
  4. Step 4: Simplify right side
    303,005.65x = 69,846,201,457.09
  5. Step 5: Solve for x
    x = 69,846,201,457.09/303,005.65
  6. Step 6: Final answer
    x = 230,511.22

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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.