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Finding the Fourth Proportional to 304,495.33, 420,192.07 and 166,677.42

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Solution

The fourth proportional to 304,495.33, 420,192.07 and 166,677.42 is: 230,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,495.33 : 420,192.07 = 166,677.42 : x
  2. Step 2: Convert to fraction form
    304,495.33/420,192.07 = 166,677.42/x
  3. Step 3: Cross multiply
    304,495.33x = 420,192.07 × 166,677.42
  4. Step 4: Simplify right side
    304,495.33x = 70,036,530,343.69
  5. Step 5: Solve for x
    x = 70,036,530,343.69/304,495.33
  6. Step 6: Final answer
    x = 230,008.56

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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.