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Finding the Fourth Proportional to 383,010.44, 528,634.54 and 230,055.32

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Solution

The fourth proportional to 383,010.44, 528,634.54 and 230,055.32 is: 317,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,010.44 : 528,634.54 = 230,055.32 : x
  2. Step 2: Convert to fraction form
    383,010.44/528,634.54 = 230,055.32/x
  3. Step 3: Cross multiply
    383,010.44x = 528,634.54 × 230,055.32
  4. Step 4: Simplify right side
    383,010.44x = 121,615,188,262.75
  5. Step 5: Solve for x
    x = 121,615,188,262.75/383,010.44
  6. Step 6: Final answer
    x = 317,524.47

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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.