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Finding the Fourth Proportional to 303,494.51, 418,822.51 and 167,528.54

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Solution

The fourth proportional to 303,494.51, 418,822.51 and 167,528.54 is: 231,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,494.51 : 418,822.51 = 167,528.54 : x
  2. Step 2: Convert to fraction form
    303,494.51/418,822.51 = 167,528.54/x
  3. Step 3: Cross multiply
    303,494.51x = 418,822.51 × 167,528.54
  4. Step 4: Simplify right side
    303,494.51x = 70,164,724,247.67
  5. Step 5: Solve for x
    x = 70,164,724,247.67/303,494.51
  6. Step 6: Final answer
    x = 231,189.43

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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.