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Finding the Fourth Proportional to 488,991.10, 733,705.35 and 173,674.30

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Solution

The fourth proportional to 488,991.10, 733,705.35 and 173,674.30 is: 260,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,991.10 : 733,705.35 = 173,674.30 : x
  2. Step 2: Convert to fraction form
    488,991.10/733,705.35 = 173,674.30/x
  3. Step 3: Cross multiply
    488,991.10x = 733,705.35 × 173,674.30
  4. Step 4: Simplify right side
    488,991.10x = 127,425,763,067.51
  5. Step 5: Solve for x
    x = 127,425,763,067.51/488,991.10
  6. Step 6: Final answer
    x = 260,589.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.