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Finding the Fourth Proportional to 395,359.05, 545,593.19 and 214,067.24

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Solution

The fourth proportional to 395,359.05, 545,593.19 and 214,067.24 is: 295,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,359.05 : 545,593.19 = 214,067.24 : x
  2. Step 2: Convert to fraction form
    395,359.05/545,593.19 = 214,067.24/x
  3. Step 3: Cross multiply
    395,359.05x = 545,593.19 × 214,067.24
  4. Step 4: Simplify right side
    395,359.05x = 116,793,624,547.79
  5. Step 5: Solve for x
    x = 116,793,624,547.79/395,359.05
  6. Step 6: Final answer
    x = 295,411.54

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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.