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Finding the Fourth Proportional to 479,066.70, 718,600.05 and 226,264.08

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Solution

The fourth proportional to 479,066.70, 718,600.05 and 226,264.08 is: 339,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,066.70 : 718,600.05 = 226,264.08 : x
  2. Step 2: Convert to fraction form
    479,066.70/718,600.05 = 226,264.08/x
  3. Step 3: Cross multiply
    479,066.70x = 718,600.05 × 226,264.08
  4. Step 4: Simplify right side
    479,066.70x = 162,593,379,201.20
  5. Step 5: Solve for x
    x = 162,593,379,201.20/479,066.70
  6. Step 6: Final answer
    x = 339,396.12

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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.