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Finding the Fourth Proportional to 479,586.10, 718,883.43 and 179,855.32

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Solution

The fourth proportional to 479,586.10, 718,883.43 and 179,855.32 is: 269,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,586.10 : 718,883.43 = 179,855.32 : x
  2. Step 2: Convert to fraction form
    479,586.10/718,883.43 = 179,855.32/x
  3. Step 3: Cross multiply
    479,586.10x = 718,883.43 × 179,855.32
  4. Step 4: Simplify right side
    479,586.10x = 129,295,009,345.35
  5. Step 5: Solve for x
    x = 129,295,009,345.35/479,586.10
  6. Step 6: Final answer
    x = 269,597.07

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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.