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Finding the Fourth Proportional to 408,279.58, 563,457.35 and 244,942.22

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Solution

The fourth proportional to 408,279.58, 563,457.35 and 244,942.22 is: 338,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,279.58 : 563,457.35 = 244,942.22 : x
  2. Step 2: Convert to fraction form
    408,279.58/563,457.35 = 244,942.22/x
  3. Step 3: Cross multiply
    408,279.58x = 563,457.35 × 244,942.22
  4. Step 4: Simplify right side
    408,279.58x = 138,014,494,184.32
  5. Step 5: Solve for x
    x = 138,014,494,184.32/408,279.58
  6. Step 6: Final answer
    x = 338,039.18

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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.