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Finding the Fourth Proportional to 304,817.08, 420,654.30 and 173,992.04

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Solution

The fourth proportional to 304,817.08, 420,654.30 and 173,992.04 is: 240,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,817.08 : 420,654.30 = 173,992.04 : x
  2. Step 2: Convert to fraction form
    304,817.08/420,654.30 = 173,992.04/x
  3. Step 3: Cross multiply
    304,817.08x = 420,654.30 × 173,992.04
  4. Step 4: Simplify right side
    304,817.08x = 73,190,499,791.77
  5. Step 5: Solve for x
    x = 73,190,499,791.77/304,817.08
  6. Step 6: Final answer
    x = 240,112.86

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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.