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Finding the Fourth Proportional to 479,223.33, 718,224.45 and 254,691.33

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Solution

The fourth proportional to 479,223.33, 718,224.45 and 254,691.33 is: 381,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,223.33 : 718,224.45 = 254,691.33 : x
  2. Step 2: Convert to fraction form
    479,223.33/718,224.45 = 254,691.33/x
  3. Step 3: Cross multiply
    479,223.33x = 718,224.45 × 254,691.33
  4. Step 4: Simplify right side
    479,223.33x = 182,925,540,409.02
  5. Step 5: Solve for x
    x = 182,925,540,409.02/479,223.33
  6. Step 6: Final answer
    x = 381,712.51

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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.