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Finding the Fourth Proportional to 479,705.56, 661,994.68 and 264,846.04

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Solution

The fourth proportional to 479,705.56, 661,994.68 and 264,846.04 is: 365,488.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,705.56 : 661,994.68 = 264,846.04 : x
  2. Step 2: Convert to fraction form
    479,705.56/661,994.68 = 264,846.04/x
  3. Step 3: Cross multiply
    479,705.56x = 661,994.68 × 264,846.04
  4. Step 4: Simplify right side
    479,705.56x = 175,326,669,499.07
  5. Step 5: Solve for x
    x = 175,326,669,499.07/479,705.56
  6. Step 6: Final answer
    x = 365,488.09

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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.