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Finding the Fourth Proportional to 479,588.10, 718,886.43 and 179,857.32

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Solution

The fourth proportional to 479,588.10, 718,886.43 and 179,857.32 is: 269,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,588.10 : 718,886.43 = 179,857.32 : x
  2. Step 2: Convert to fraction form
    479,588.10/718,886.43 = 179,857.32/x
  3. Step 3: Cross multiply
    479,588.10x = 718,886.43 × 179,857.32
  4. Step 4: Simplify right side
    479,588.10x = 129,296,986,684.17
  5. Step 5: Solve for x
    x = 129,296,986,684.17/479,588.10
  6. Step 6: Final answer
    x = 269,600.07

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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.