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Finding the Fourth Proportional to 304,441.71, 420,119.22 and 168,481.38

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Solution

The fourth proportional to 304,441.71, 420,119.22 and 168,481.38 is: 232,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,441.71 : 420,119.22 = 168,481.38 : x
  2. Step 2: Convert to fraction form
    304,441.71/420,119.22 = 168,481.38/x
  3. Step 3: Cross multiply
    304,441.71x = 420,119.22 × 168,481.38
  4. Step 4: Simplify right side
    304,441.71x = 70,782,265,950.12
  5. Step 5: Solve for x
    x = 70,782,265,950.12/304,441.71
  6. Step 6: Final answer
    x = 232,498.58

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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.