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Finding the Fourth Proportional to 395,324.03, 545,540.51 and 214,034.49

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Solution

The fourth proportional to 395,324.03, 545,540.51 and 214,034.49 is: 295,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,324.03 : 545,540.51 = 214,034.49 : x
  2. Step 2: Convert to fraction form
    395,324.03/545,540.51 = 214,034.49/x
  3. Step 3: Cross multiply
    395,324.03x = 545,540.51 × 214,034.49
  4. Step 4: Simplify right side
    395,324.03x = 116,764,483,762.02
  5. Step 5: Solve for x
    x = 116,764,483,762.02/395,324.03
  6. Step 6: Final answer
    x = 295,364.00

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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.