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Finding the Fourth Proportional to 366,687.09, 550,187.51 and 153,504.81

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Solution

The fourth proportional to 366,687.09, 550,187.51 and 153,504.81 is: 230,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,687.09 : 550,187.51 = 153,504.81 : x
  2. Step 2: Convert to fraction form
    366,687.09/550,187.51 = 153,504.81/x
  3. Step 3: Cross multiply
    366,687.09x = 550,187.51 × 153,504.81
  4. Step 4: Simplify right side
    366,687.09x = 84,456,428,419.40
  5. Step 5: Solve for x
    x = 84,456,428,419.40/366,687.09
  6. Step 6: Final answer
    x = 230,322.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.