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Finding the Fourth Proportional to 304,051.92, 419,588.78 and 168,089.36

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Solution

The fourth proportional to 304,051.92, 419,588.78 and 168,089.36 is: 231,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,051.92 : 419,588.78 = 168,089.36 : x
  2. Step 2: Convert to fraction form
    304,051.92/419,588.78 = 168,089.36/x
  3. Step 3: Cross multiply
    304,051.92x = 419,588.78 × 168,089.36
  4. Step 4: Simplify right side
    304,051.92x = 70,528,409,493.38
  5. Step 5: Solve for x
    x = 70,528,409,493.38/304,051.92
  6. Step 6: Final answer
    x = 231,961.73

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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.