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Finding the Fourth Proportional to 304,433.60, 420,112.08 and 168,467.46

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Solution

The fourth proportional to 304,433.60, 420,112.08 and 168,467.46 is: 232,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,433.60 : 420,112.08 = 168,467.46 : x
  2. Step 2: Convert to fraction form
    304,433.60/420,112.08 = 168,467.46/x
  3. Step 3: Cross multiply
    304,433.60x = 420,112.08 × 168,467.46
  4. Step 4: Simplify right side
    304,433.60x = 70,775,215,032.92
  5. Step 5: Solve for x
    x = 70,775,215,032.92/304,433.60
  6. Step 6: Final answer
    x = 232,481.62

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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.